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pidfile: Add support for absolute path

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The OpenBSD version of pidfile() makes sure to place all PID files in
the same, canonical, location: _PATH_VARRUN.  On Linux, however, some
disitributions prefer to place PID files in a sub-directory under the
canonical location: _PATH_VARRUN + __progname/ ...

This patch adds support for creating PID files in any location. If the
PID file name argument starts with a '/', the function assumes the rest
of the string is the full PATH to the PID file.

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
This commit is contained in:
Joachim Nilsson
2017-01-07 12:55:26 +01:00
parent 66290d132f
commit 729cc5307f
1 changed files with 7 additions and 2 deletions
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pidfile.c
+7 -2
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@@ -75,8 +75,13 @@ pidfile(const char *basename)
atexit_already = 1;
}
if (asprintf(&pidfile_path, "%s%s.pid", __pidfile_path, basename) == -1)
return (-1);
if (basename[0] != '/') {
if (asprintf(&pidfile_path, "%s%s.pid", __pidfile_path, basename) == -1)
return (-1);
} else {
if (asprintf(&pidfile_path, "%s", basename) == -1)
return (-1);
}
if ((f = fopen(pidfile_path, "w")) == NULL) {
save_errno = errno;