diff options
Diffstat (limited to 'src/pulsecore/pid.c')
-rw-r--r-- | src/pulsecore/pid.c | 36 |
1 files changed, 18 insertions, 18 deletions
diff --git a/src/pulsecore/pid.c b/src/pulsecore/pid.c index 6e0c085e..40cc8248 100644 --- a/src/pulsecore/pid.c +++ b/src/pulsecore/pid.c @@ -2,17 +2,17 @@ /*** This file is part of PulseAudio. - + PulseAudio is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. - + PulseAudio is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - + You should have received a copy of the GNU Lesser General Public License along with PulseAudio; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 @@ -64,7 +64,7 @@ static pid_t read_pid(const char *fn, int fd) { if (r == 0) return (pid_t) 0; - + t[r] = 0; if ((e = strchr(t, '\n'))) *e = 0; @@ -79,10 +79,10 @@ static pid_t read_pid(const char *fn, int fd) { static int open_pid_file(const char *fn, int mode) { int fd = -1; - + for (;;) { struct stat st; - + if ((fd = open(fn, mode, S_IRUSR|S_IWUSR)) < 0) { if (mode != O_RDONLY || errno != ENOENT) pa_log_warn("WARNING: failed to open PID file '%s': %s", @@ -93,7 +93,7 @@ static int open_pid_file(const char *fn, int mode) { /* Try to lock the file. If that fails, go without */ if (pa_lock_fd(fd, 1) < 0) goto fail; - + if (fstat(fd, &st) < 0) { pa_log_warn("WARNING: failed to fstat() PID file '%s': %s", fn, pa_cstrerror(errno)); @@ -168,23 +168,23 @@ int pa_pid_file_create(void) { fn, pa_cstrerror(errno)); goto fail; } - + snprintf(t, sizeof(t), "%lu\n", (unsigned long) getpid()); l = strlen(t); - + if (pa_loop_write(fd, t, l, NULL) != (ssize_t) l) { pa_log("failed to write PID file."); goto fail; } ret = 0; - + fail: if (fd >= 0) { pa_lock_fd(fd, 0); close(fd); } - + return ret; } @@ -230,7 +230,7 @@ int pa_pid_file_remove(void) { } ret = 0; - + fail: if (fd >= 0) { @@ -262,26 +262,26 @@ int pa_pid_file_kill(int sig, pid_t *pid) { if (!pid) pid = &_pid; - + pa_runtime_path("pid", fn, sizeof(fn)); - + if ((fd = open_pid_file(fn, O_RDONLY)) < 0) goto fail; - + if ((*pid = read_pid(fn, fd)) == (pid_t) -1) goto fail; ret = kill(*pid, sig); - + fail: - + if (fd >= 0) { pa_lock_fd(fd, 0); close(fd); } return ret; - + } #else /* OS_IS_WIN32 */ |