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lib: When we can't lock the pid file provide a meaningfull message

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Give a hint to the end user that the daemon may already be running.

Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
This commit is contained in:
Donald Sharp 2018-09-22 14:18:52 -04:00
parent 42a75fec9d
commit 8c5ff531a1
1 changed files with 1 additions and 1 deletions
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2
lib/pid_output.c
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@ -60,7 +60,7 @@ pid_t pid_output(const char *path)
if (fcntl(fd, F_SETLK, &lock) < 0) {
flog_err_sys(EC_LIB_SYSTEM_CALL,
"Could not lock pid_file %s (%s), exiting",
"Could not lock pid_file %s (%s), exiting. Please ensure that the daemon is not already running",
path, safe_strerror(errno));
exit(1);
}