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small fixes: using fd-based io instead of FILE*-based,

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missed O_TRUNC, etc
This commit is contained in:
Denis Vlasenko
2006-11-18 22:03:26 +00:00
parent 5a3395bc01
commit 61126ab30a
5 changed files with 63 additions and 62 deletions
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8
networking/udhcp/pidfile.c
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@@ -23,7 +23,7 @@
#include "common.h"
static char *saved_pidfile;
static const char *saved_pidfile;
static void pidfile_delete(void)
{
@@ -36,14 +36,14 @@ int pidfile_acquire(const char *pidfile)
int pid_fd;
if (!pidfile) return -1;
pid_fd = open(pidfile, O_CREAT | O_WRONLY, 0644);
pid_fd = open(pidfile, O_CREAT|O_WRONLY|O_TRUNC, 0644);
if (pid_fd < 0) {
bb_perror_msg("unable to open pidfile %s", pidfile);
bb_perror_msg("cannot open pidfile %s", pidfile);
} else {
lockf(pid_fd, F_LOCK, 0);
if (!saved_pidfile)
atexit(pidfile_delete);
saved_pidfile = (char *) pidfile;
saved_pidfile = pidfile;
}
return pid_fd;