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merge 'lennart' branch back into trunk.

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git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@1971 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering 2007-10-28 19:13:50 +00:00
parent 6687dd0131
commit a67c21f093
294 changed files with 79057 additions and 11614 deletions
Download patch file Download diff file Expand all files Collapse all files

74
src/pulsecore/pid.c
View file

@ -33,7 +33,6 @@
#include <sys/stat.h>
#include <string.h>
#include <stdio.h>
#include <assert.h>
#include <stdlib.h>
#include <limits.h>
#include <signal.h>
@ -47,6 +46,7 @@
#include <pulsecore/core-error.h>
#include <pulsecore/core-util.h>
#include <pulsecore/log.h>
#include <pulsecore/macro.h>
#include "pid.h"
@ -57,11 +57,11 @@ static pid_t read_pid(const char *fn, int fd) {
char t[20], *e;
uint32_t pid;
assert(fn && fd >= 0);
pa_assert(fn);
pa_assert(fd >= 0);
if ((r = pa_loop_read(fd, t, sizeof(t)-1, NULL)) < 0) {
pa_log_warn("WARNING: failed to read PID file '%s': %s",
fn, pa_cstrerror(errno));
pa_log_warn("Failed to read PID file '%s': %s", fn, pa_cstrerror(errno));
return (pid_t) -1;
}
@ -73,7 +73,7 @@ static pid_t read_pid(const char *fn, int fd) {
*e = 0;
if (pa_atou(t, &pid) < 0) {
pa_log("WARNING: failed to parse PID file '%s'", fn);
pa_log_warn("Failed to parse PID file '%s'", fn);
return (pid_t) -1;
}
@ -83,13 +83,22 @@ static pid_t read_pid(const char *fn, int fd) {
static int open_pid_file(const char *fn, int mode) {
int fd = -1;
pa_assert(fn);
for (;;) {
struct stat st;
if ((fd = open(fn, mode, S_IRUSR|S_IWUSR)) < 0) {
if ((fd = open(fn, mode
#ifdef O_NOCTTY
|O_NOCTTY
#endif
#ifdef O_NOFOLLOW
|O_NOFOLLOW
#endif
, S_IRUSR|S_IWUSR
)) < 0) {
if (mode != O_RDONLY || errno != ENOENT)
pa_log_warn("WARNING: failed to open PID file '%s': %s",
fn, pa_cstrerror(errno));
pa_log_warn("Failed to open PID file '%s': %s", fn, pa_cstrerror(errno));
goto fail;
}
@ -98,8 +107,7 @@ static int open_pid_file(const char *fn, int mode) {
goto fail;
if (fstat(fd, &st) < 0) {
pa_log_warn("WARNING: failed to fstat() PID file '%s': %s",
fn, pa_cstrerror(errno));
pa_log_warn("Failed to fstat() PID file '%s': %s", fn, pa_cstrerror(errno));
goto fail;
}
@ -110,9 +118,9 @@ static int open_pid_file(const char *fn, int mode) {
if (pa_lock_fd(fd, 0) < 0)
goto fail;
if (close(fd) < 0) {
pa_log_warn("WARNING: failed to close file '%s': %s",
fn, pa_cstrerror(errno));
if (pa_close(fd) < 0) {
pa_log_warn("Failed to close file '%s': %s", fn, pa_cstrerror(errno));
fd = -1;
goto fail;
}
@ -125,7 +133,7 @@ fail:
if (fd >= 0) {
pa_lock_fd(fd, 0);
close(fd);
pa_close(fd);
}
return -1;
@ -150,7 +158,7 @@ int pa_pid_file_create(void) {
goto fail;
if ((pid = read_pid(fn, fd)) == (pid_t) -1)
pa_log("corrupt PID file, overwriting.");
pa_log_warn("Corrupt PID file, overwriting.");
else if (pid > 0) {
#ifdef OS_IS_WIN32
if ((process = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE, pid)) != NULL) {
@ -158,25 +166,24 @@ int pa_pid_file_create(void) {
#else
if (kill(pid, 0) >= 0 || errno != ESRCH) {
#endif
pa_log("daemon already running.");
pa_log("Daemon already running.");
goto fail;
}
pa_log("stale PID file, overwriting.");
pa_log_warn("Stale PID file, overwriting.");
}
/* Overwrite the current PID file */
if (lseek(fd, 0, SEEK_SET) == (off_t) -1 || ftruncate(fd, 0) < 0) {
pa_log("failed to truncate PID file '%s': %s",
fn, pa_cstrerror(errno));
pa_log("Failed to truncate PID file '%s': %s", fn, pa_cstrerror(errno));
goto fail;
}
snprintf(t, sizeof(t), "%lu\n", (unsigned long) getpid());
pa_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.");
pa_log("Failed to write PID file.");
goto fail;
}
@ -185,7 +192,11 @@ int pa_pid_file_create(void) {
fail:
if (fd >= 0) {
pa_lock_fd(fd, 0);
close(fd);
if (pa_close(fd) < 0) {
pa_log("Failed to close PID file '%s': %s", fn, pa_cstrerror(errno));
ret = -1;
}
}
return ret;
@ -201,8 +212,7 @@ int pa_pid_file_remove(void) {
pa_runtime_path("pid", fn, sizeof(fn));
if ((fd = open_pid_file(fn, O_RDWR)) < 0) {
pa_log_warn("WARNING: failed to open PID file '%s': %s",
fn, pa_cstrerror(errno));
pa_log_warn("Failed to open PID file '%s': %s", fn, pa_cstrerror(errno));
goto fail;
}
@ -210,13 +220,12 @@ int pa_pid_file_remove(void) {
goto fail;
if (pid != getpid()) {
pa_log("WARNING: PID file '%s' not mine!", fn);
pa_log("PID file '%s' not mine!", fn);
goto fail;
}
if (ftruncate(fd, 0) < 0) {
pa_log_warn("WARNING: failed to truncate PID file '%s': %s",
fn, pa_cstrerror(errno));
pa_log_warn("Failed to truncate PID file '%s': %s", fn, pa_cstrerror(errno));
goto fail;
}
@ -227,8 +236,7 @@ int pa_pid_file_remove(void) {
#endif
if (unlink(fn) < 0) {
pa_log_warn("WARNING: failed to remove PID file '%s': %s",
fn, pa_cstrerror(errno));
pa_log_warn("Failed to remove PID file '%s': %s", fn, pa_cstrerror(errno));
goto fail;
}
@ -238,7 +246,11 @@ fail:
if (fd >= 0) {
pa_lock_fd(fd, 0);
close(fd);
if (pa_close(fd) < 0) {
pa_log_warn("Failed to close PID file '%s': %s", fn, pa_cstrerror(errno));
ret = -1;
}
}
return ret;
@ -280,7 +292,7 @@ fail:
if (fd >= 0) {
pa_lock_fd(fd, 0);
close(fd);
pa_close(fd);
}
return ret;