trustbridge/nss-cmake-static: nspr/pr/src/threads/prmon.c annotate

annotate nspr/pr/src/threads/prmon.c @ 0:1e5118fa0cb1

This is NSS with a Cmake Buildsyste To compile a static NSS library for Windows we've used the Chromium-NSS fork and added a Cmake buildsystem to compile it statically for Windows. See README.chromium for chromium changes and README.trustbridge for our modifications.

author	Andre Heinecke <andre.heinecke@intevation.de>
date	Mon, 28 Jul 2014 10:47:06 +0200
parents
children

rev	line source
0 1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	1 /* -- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -- */
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	2 /* This Source Code Form is subject to the terms of the Mozilla Public
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	3 * License, v. 2.0. If a copy of the MPL was not distributed with this
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	5
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	6 #include "primpl.h"
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	7
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	8 /************************************************************************/
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	9
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	10 /*
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	11 * Notifies just get posted to the monitor. The actual notification is done
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	12 * when the monitor is fully exited so that MP systems don't contend for a
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	13 * monitor that they can't enter.
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	14 */
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	15 static void _PR_PostNotifyToMonitor(PRMonitor *mon, PRBool broadcast)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	16 {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	17 PR_ASSERT(mon != NULL);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	18 PR_ASSERT_CURRENT_THREAD_IN_MONITOR(mon);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	19
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	20 /* mon->notifyTimes is protected by the monitor, so we don't need to
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	21 * acquire mon->lock.
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	22 */
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	23 if (broadcast)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	24 mon->notifyTimes = -1;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	25 else if (mon->notifyTimes != -1)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	26 mon->notifyTimes += 1;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	27 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	28
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	29 static void _PR_PostNotifiesFromMonitor(PRCondVar *cv, PRIntn times)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	30 {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	31 PRStatus rv;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	32
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	33 /*
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	34 * Time to actually notify any waits that were affected while the monitor
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	35 * was entered.
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	36 */
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	37 PR_ASSERT(cv != NULL);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	38 PR_ASSERT(times != 0);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	39 if (times == -1) {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	40 rv = PR_NotifyAllCondVar(cv);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	41 PR_ASSERT(rv == PR_SUCCESS);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	42 } else {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	43 while (times-- > 0) {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	44 rv = PR_NotifyCondVar(cv);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	45 PR_ASSERT(rv == PR_SUCCESS);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	46 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	47 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	48 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	49
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	50 /*
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	51 ** Create a new monitor.
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	52 */
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	53 PR_IMPLEMENT(PRMonitor*) PR_NewMonitor()
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	54 {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	55 PRMonitor *mon;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	56 PRStatus rv;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	57
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	58 if (!_pr_initialized) _PR_ImplicitInitialization();
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	59
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	60 mon = PR_NEWZAP(PRMonitor);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	61 if (mon == NULL) {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	62 PR_SetError(PR_OUT_OF_MEMORY_ERROR, 0);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	63 return NULL;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	64 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	65
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	66 rv = _PR_InitLock(&mon->lock);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	67 PR_ASSERT(rv == PR_SUCCESS);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	68 if (rv != PR_SUCCESS)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	69 goto error1;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	70
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	71 mon->owner = NULL;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	72
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	73 rv = _PR_InitCondVar(&mon->entryCV, &mon->lock);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	74 PR_ASSERT(rv == PR_SUCCESS);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	75 if (rv != PR_SUCCESS)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	76 goto error2;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	77
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	78 rv = _PR_InitCondVar(&mon->waitCV, &mon->lock);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	79 PR_ASSERT(rv == PR_SUCCESS);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	80 if (rv != PR_SUCCESS)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	81 goto error3;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	82
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	83 mon->notifyTimes = 0;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	84 mon->entryCount = 0;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	85 mon->name = NULL;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	86 return mon;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	87
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	88 error3:
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	89 _PR_FreeCondVar(&mon->entryCV);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	90 error2:
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	91 _PR_FreeLock(&mon->lock);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	92 error1:
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	93 PR_Free(mon);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	94 return NULL;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	95 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	96
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	97 PR_IMPLEMENT(PRMonitor) PR_NewNamedMonitor(const char name)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	98 {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	99 PRMonitor* mon = PR_NewMonitor();
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	100 if (mon)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	101 mon->name = name;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	102 return mon;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	103 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	104
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	105 /*
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	106 ** Destroy a monitor. There must be no thread waiting on the monitor's
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	107 ** condition variable. The caller is responsible for guaranteeing that the
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	108 ** monitor is no longer in use.
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	109 */
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	110 PR_IMPLEMENT(void) PR_DestroyMonitor(PRMonitor *mon)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	111 {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	112 PR_ASSERT(mon != NULL);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	113 _PR_FreeCondVar(&mon->waitCV);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	114 _PR_FreeCondVar(&mon->entryCV);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	115 _PR_FreeLock(&mon->lock);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	116 #if defined(DEBUG)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	117 memset(mon, 0xaf, sizeof(PRMonitor));
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	118 #endif
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	119 PR_Free(mon);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	120 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	121
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	122 /*
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	123 ** Enter the lock associated with the monitor.
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	124 */
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	125 PR_IMPLEMENT(void) PR_EnterMonitor(PRMonitor *mon)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	126 {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	127 PRThread *me = _PR_MD_CURRENT_THREAD();
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	128 PRStatus rv;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	129
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	130 PR_ASSERT(mon != NULL);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	131 PR_Lock(&mon->lock);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	132 if (mon->entryCount != 0) {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	133 if (mon->owner == me)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	134 goto done;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	135 while (mon->entryCount != 0) {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	136 rv = PR_WaitCondVar(&mon->entryCV, PR_INTERVAL_NO_TIMEOUT);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	137 PR_ASSERT(rv == PR_SUCCESS);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	138 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	139 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	140 /* and now I have the monitor */
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	141 PR_ASSERT(mon->notifyTimes == 0);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	142 PR_ASSERT(mon->owner == NULL);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	143 mon->owner = me;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	144
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	145 done:
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	146 mon->entryCount += 1;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	147 rv = PR_Unlock(&mon->lock);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	148 PR_ASSERT(rv == PR_SUCCESS);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	149 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	150
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	151 /*
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	152 ** Test and then enter the lock associated with the monitor if it's not
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	153 ** already entered by some other thread. Return PR_FALSE if some other
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	154 ** thread owned the lock at the time of the call.
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	155 */
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	156 PR_IMPLEMENT(PRBool) PR_TestAndEnterMonitor(PRMonitor *mon)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	157 {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	158 PRThread *me = _PR_MD_CURRENT_THREAD();
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	159 PRStatus rv;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	160
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	161 PR_ASSERT(mon != NULL);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	162 PR_Lock(&mon->lock);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	163 if (mon->entryCount != 0) {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	164 if (mon->owner == me)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	165 goto done;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	166 rv = PR_Unlock(&mon->lock);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	167 PR_ASSERT(rv == PR_SUCCESS);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	168 return PR_FALSE;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	169 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	170 /* and now I have the monitor */
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	171 PR_ASSERT(mon->notifyTimes == 0);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	172 PR_ASSERT(mon->owner == NULL);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	173 mon->owner = me;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	174
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	175 done:
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	176 mon->entryCount += 1;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	177 rv = PR_Unlock(&mon->lock);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	178 PR_ASSERT(rv == PR_SUCCESS);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	179 return PR_TRUE;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	180 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	181
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	182 /*
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	183 ** Exit the lock associated with the monitor once.
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	184 */
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	185 PR_IMPLEMENT(PRStatus) PR_ExitMonitor(PRMonitor *mon)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	186 {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	187 PRThread *me = _PR_MD_CURRENT_THREAD();
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	188 PRStatus rv;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	189
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	190 PR_ASSERT(mon != NULL);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	191 PR_Lock(&mon->lock);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	192 /* the entries should be > 0 and we'd better be the owner */
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	193 PR_ASSERT(mon->entryCount > 0);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	194 PR_ASSERT(mon->owner == me);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	195 if (mon->entryCount == 0 \|\| mon->owner != me)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	196 {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	197 rv = PR_Unlock(&mon->lock);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	198 PR_ASSERT(rv == PR_SUCCESS);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	199 return PR_FAILURE;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	200 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	201
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	202 mon->entryCount -= 1; /* reduce by one */
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	203 if (mon->entryCount == 0)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	204 {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	205 /* and if it transitioned to zero - notify an entry waiter */
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	206 /* make the owner unknown */
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	207 mon->owner = NULL;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	208 if (mon->notifyTimes != 0) {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	209 _PR_PostNotifiesFromMonitor(&mon->waitCV, mon->notifyTimes);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	210 mon->notifyTimes = 0;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	211 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	212 rv = PR_NotifyCondVar(&mon->entryCV);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	213 PR_ASSERT(rv == PR_SUCCESS);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	214 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	215 rv = PR_Unlock(&mon->lock);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	216 PR_ASSERT(rv == PR_SUCCESS);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	217 return PR_SUCCESS;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	218 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	219
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	220 /*
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	221 ** Return the number of times that the current thread has entered the
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	222 ** lock. Returns zero if the current thread has not entered the lock.
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	223 */
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	224 PR_IMPLEMENT(PRIntn) PR_GetMonitorEntryCount(PRMonitor *mon)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	225 {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	226 PRThread *me = _PR_MD_CURRENT_THREAD();
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	227 PRStatus rv;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	228 PRIntn count = 0;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	229
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	230 PR_Lock(&mon->lock);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	231 if (mon->owner == me)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	232 count = mon->entryCount;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	233 rv = PR_Unlock(&mon->lock);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	234 PR_ASSERT(rv == PR_SUCCESS);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	235 return count;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	236 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	237
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	238 PR_IMPLEMENT(void) PR_AssertCurrentThreadInMonitor(PRMonitor *mon)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	239 {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	240 #if defined(DEBUG) \|\| defined(FORCE_PR_ASSERT)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	241 PRStatus rv;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	242
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	243 PR_Lock(&mon->lock);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	244 PR_ASSERT(mon->entryCount != 0 &&
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	245 mon->owner == _PR_MD_CURRENT_THREAD());
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	246 rv = PR_Unlock(&mon->lock);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	247 PR_ASSERT(rv == PR_SUCCESS);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	248 #endif
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	249 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	250
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	251 /*
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	252 ** Wait for a notify on the condition variable. Sleep for "ticks" amount
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	253 ** of time (if "tick" is 0 then the sleep is indefinite). While
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	254 ** the thread is waiting it exits the monitors lock (as if it called
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	255 ** PR_ExitMonitor as many times as it had called PR_EnterMonitor). When
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	256 ** the wait has finished the thread regains control of the monitors lock
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	257 ** with the same entry count as before the wait began.
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	258 **
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	259 ** The thread waiting on the monitor will be resumed when the monitor is
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	260 ** notified (assuming the thread is the next in line to receive the
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	261 ** notify) or when the "ticks" elapses.
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	262 **
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	263 ** Returns PR_FAILURE if the caller has not locked the lock associated
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	264 ** with the condition variable.
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	265 ** This routine can return PR_PENDING_INTERRUPT_ERROR if the waiting thread
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	266 ** has been interrupted.
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	267 */
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	268 PR_IMPLEMENT(PRStatus) PR_Wait(PRMonitor *mon, PRIntervalTime ticks)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	269 {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	270 PRStatus rv;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	271 PRUint32 saved_entries;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	272 PRThread *saved_owner;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	273
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	274 PR_ASSERT(mon != NULL);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	275 PR_Lock(&mon->lock);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	276 /* the entries better be positive */
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	277 PR_ASSERT(mon->entryCount > 0);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	278 /* and it better be owned by us */
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	279 PR_ASSERT(mon->owner == _PR_MD_CURRENT_THREAD()); /* XXX return failure */
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	280
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	281 /* tuck these away 'till later */
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	282 saved_entries = mon->entryCount;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	283 mon->entryCount = 0;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	284 saved_owner = mon->owner;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	285 mon->owner = NULL;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	286 /* If we have pending notifies, post them now. */
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	287 if (mon->notifyTimes != 0) {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	288 _PR_PostNotifiesFromMonitor(&mon->waitCV, mon->notifyTimes);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	289 mon->notifyTimes = 0;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	290 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	291 rv = PR_NotifyCondVar(&mon->entryCV);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	292 PR_ASSERT(rv == PR_SUCCESS);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	293
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	294 rv = PR_WaitCondVar(&mon->waitCV, ticks);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	295 PR_ASSERT(rv == PR_SUCCESS);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	296
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	297 while (mon->entryCount != 0) {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	298 rv = PR_WaitCondVar(&mon->entryCV, PR_INTERVAL_NO_TIMEOUT);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	299 PR_ASSERT(rv == PR_SUCCESS);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	300 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	301 PR_ASSERT(mon->notifyTimes == 0);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	302 /* reinstate the interesting information */
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	303 mon->entryCount = saved_entries;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	304 mon->owner = saved_owner;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	305
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	306 rv = PR_Unlock(&mon->lock);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	307 PR_ASSERT(rv == PR_SUCCESS);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	308 return rv;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	309 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	310
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	311 /*
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	312 ** Notify the highest priority thread waiting on the condition
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	313 ** variable. If a thread is waiting on the condition variable (using
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	314 ** PR_Wait) then it is awakened and begins waiting on the monitor's lock.
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	315 */
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	316 PR_IMPLEMENT(PRStatus) PR_Notify(PRMonitor *mon)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	317 {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	318 _PR_PostNotifyToMonitor(mon, PR_FALSE);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	319 return PR_SUCCESS;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	320 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	321
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	322 /*
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	323 ** Notify all of the threads waiting on the condition variable. All of
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	324 ** threads are notified in turn. The highest priority thread will
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	325 ** probably acquire the monitor first when the monitor is exited.
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	326 */
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	327 PR_IMPLEMENT(PRStatus) PR_NotifyAll(PRMonitor *mon)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	328 {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	329 _PR_PostNotifyToMonitor(mon, PR_TRUE);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	330 return PR_SUCCESS;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	331 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	332
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	333 /************************************************************************/
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	334
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	335 PRUint32 _PR_MonitorToString(PRMonitor mon, char buf, PRUint32 buflen)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	336 {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	337 PRUint32 nb;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	338
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	339 if (mon->owner) {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	340 nb = PR_snprintf(buf, buflen, "[%p] owner=%d[%p] count=%ld",
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	341 mon, mon->owner->id, mon->owner, mon->entryCount);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	342 } else {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	343 nb = PR_snprintf(buf, buflen, "[%p]", mon);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	344 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	345 return nb;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	346 }

Mercurial > trustbridge > nss-cmake-static

annotate nspr/pr/src/threads/prmon.c @ 0:1e5118fa0cb1