Mercurial > trustbridge
diff common/util.c @ 1332:8362e30f7b55
(issue139) Check that pid is not running if the lock can be aquired
If the lock on the lockfile can be aquired it might still be
possible that another process is running. So we read the
pid from the lockfile and check if another process with the
same installation prefix as us is running.
| author | Andre Heinecke <andre.heinecke@intevation.de> |
|---|---|
| date | Wed, 15 Oct 2014 14:19:46 +0200 |
| parents | 2bacaec6e101 |
| children | b90df38bb6dc |
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--- a/common/util.c Wed Oct 15 13:24:59 2014 +0200 +++ b/common/util.c Wed Oct 15 14:19:46 2014 +0200 @@ -314,15 +314,26 @@ #else /* WIN32 */ char * -get_install_dir() +get_proc_install_dir(const char *proc) { char *retval = NULL, - *p = NULL, - buf[MAX_PATH_LINUX]; + *procpath = NULL, + *p = NULL, + buf[MAX_PATH_LINUX]; ssize_t ret; size_t path_len = 0; - ret = readlink ("/proc/self/exe", buf, MAX_PATH_LINUX); + if (!proc) + { + return NULL; + } + + xasprintf(&procpath, "/proc/%s/exe", proc); + + ret = readlink (procpath, buf, MAX_PATH_LINUX); + xfree(procpath); + procpath = NULL; + if (ret <= 0) { ERRORPRINTF ("readlink failed\n"); @@ -348,6 +359,12 @@ return retval; } +char * +get_install_dir() +{ + return get_proc_install_dir("self"); +} + bool is_system_install() {