aboutsummaryrefslogtreecommitdiffstats
path: root/src
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--src/Daemon.cxx46
-rw-r--r--src/Daemon.hxx8
-rw-r--r--src/DecoderThread.cxx4
-rw-r--r--src/FatalError.cxx91
-rw-r--r--src/FatalError.hxx58
-rw-r--r--src/InotifySource.cxx9
-rw-r--r--src/Log.cxx5
-rw-r--r--src/Main.cxx40
-rw-r--r--src/MusicBuffer.cxx4
-rw-r--r--src/OutputAll.cxx12
-rw-r--r--src/OutputThread.cxx5
-rw-r--r--src/PlayerThread.cxx4
-rw-r--r--src/SignalHandlers.cxx6
-rw-r--r--src/UpdateGlue.cxx4
14 files changed, 220 insertions, 76 deletions
diff --git a/src/Daemon.cxx b/src/Daemon.cxx
index e14b8aee7..84e32d43a 100644
--- a/src/Daemon.cxx
+++ b/src/Daemon.cxx
@@ -19,13 +19,13 @@
#include "config.h"
#include "Daemon.hxx"
+#include "FatalError.hxx"
#include <glib.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
-#include <errno.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
@@ -65,23 +65,23 @@ daemonize_kill(void)
int pid, ret;
if (pidfile == nullptr)
- MPD_ERROR("no pid_file specified in the config file");
+ FatalError("no pid_file specified in the config file");
fp = fopen(pidfile, "r");
if (fp == nullptr)
- MPD_ERROR("unable to open pid file \"%s\": %s",
- pidfile, g_strerror(errno));
+ FormatFatalSystemError("Unable to open pid file \"%s\"",
+ pidfile);
if (fscanf(fp, "%i", &pid) != 1) {
- MPD_ERROR("unable to read the pid from file \"%s\"",
- pidfile);
+ FormatFatalError("unable to read the pid from file \"%s\"",
+ pidfile);
}
fclose(fp);
ret = kill(pid, SIGTERM);
if (ret < 0)
- MPD_ERROR("unable to kill process %i: %s",
- pid, g_strerror(errno));
+ FormatFatalSystemError("unable to kill process %i",
+ int(pid));
exit(EXIT_SUCCESS);
}
@@ -102,8 +102,8 @@ daemonize_set_user(void)
/* set gid */
if (user_gid != (gid_t)-1 && user_gid != getgid()) {
if (setgid(user_gid) == -1) {
- MPD_ERROR("cannot setgid to %d: %s",
- (int)user_gid, g_strerror(errno));
+ FormatFatalSystemError("Failed to set group %d",
+ (int)user_gid);
}
}
@@ -112,17 +112,17 @@ daemonize_set_user(void)
* (must be done before we change our uid)
*/
if (!had_group && initgroups(user_name, user_gid) == -1) {
- g_warning("cannot init supplementary groups "
- "of user \"%s\": %s",
- user_name, g_strerror(errno));
+ FormatFatalSystemError("Failed to set supplementary groups "
+ "of user \"%s\"",
+ user_name);
}
#endif
/* set uid */
if (user_uid != (uid_t)-1 && user_uid != getuid() &&
setuid(user_uid) == -1) {
- MPD_ERROR("cannot change to uid of user \"%s\": %s",
- user_name, g_strerror(errno));
+ FormatFatalSystemError("Failed to set user \"%s\"",
+ user_name);
}
}
@@ -136,7 +136,7 @@ daemonize_detach(void)
#ifdef HAVE_DAEMON
if (daemon(0, 1))
- MPD_ERROR("daemon() failed: %s", g_strerror(errno));
+ FatalSystemError("daemon() failed");
#elif defined(HAVE_FORK)
@@ -144,7 +144,7 @@ daemonize_detach(void)
switch (fork()) {
case -1:
- MPD_ERROR("fork() failed: %s", g_strerror(errno));
+ FatalSystemError("fork() failed");
case 0:
break;
default:
@@ -155,14 +155,14 @@ daemonize_detach(void)
/* release the current working directory */
if (chdir("/") < 0)
- MPD_ERROR("problems changing to root directory");
+ FatalError("problems changing to root directory");
/* detach from the current session */
setsid();
#else
- MPD_ERROR("no support for daemonizing");
+ FatalError("no support for daemonizing");
#endif
g_debug("daemonized!");
@@ -179,8 +179,8 @@ daemonize(bool detach)
g_debug("opening pid file");
fp = fopen(pidfile, "w+");
if (!fp) {
- MPD_ERROR("could not create pid file \"%s\": %s",
- pidfile, g_strerror(errno));
+ FormatFatalSystemError("Failed to create pid file \"%s\"",
+ pidfile);
}
}
@@ -200,7 +200,7 @@ daemonize_init(const char *user, const char *group, const char *_pidfile)
if (user) {
struct passwd *pwd = getpwnam(user);
if (pwd == nullptr)
- MPD_ERROR("no such user \"%s\"", user);
+ FormatFatalError("no such user \"%s\"", user);
user_uid = pwd->pw_uid;
user_gid = pwd->pw_gid;
@@ -214,7 +214,7 @@ daemonize_init(const char *user, const char *group, const char *_pidfile)
if (group) {
struct group *grp = getgrnam(group);
if (grp == nullptr)
- MPD_ERROR("no such group \"%s\"", group);
+ FormatFatalError("no such group \"%s\"", group);
user_gid = grp->gr_gid;
had_group = true;
}
diff --git a/src/Daemon.hxx b/src/Daemon.hxx
index a4117537d..cd4cc965e 100644
--- a/src/Daemon.hxx
+++ b/src/Daemon.hxx
@@ -20,8 +20,6 @@
#ifndef MPD_DAEMON_HXX
#define MPD_DAEMON_HXX
-#include "mpd_error.h"
-
#ifndef WIN32
void
daemonize_init(const char *user, const char *group, const char *pidfile);
@@ -48,10 +46,12 @@ daemonize_finish(void)
void
daemonize_kill(void);
#else
-#include <glib.h>
+#include "FatalError.hxx"
static inline void
daemonize_kill(void)
-{ MPD_ERROR("--kill is not available on WIN32"); }
+{
+ FatalError("--kill is not available on WIN32");
+}
#endif
/**
diff --git a/src/DecoderThread.cxx b/src/DecoderThread.cxx
index 3ebd5653e..61c1fdd8a 100644
--- a/src/DecoderThread.cxx
+++ b/src/DecoderThread.cxx
@@ -24,7 +24,7 @@
#include "DecoderError.hxx"
#include "DecoderPlugin.hxx"
#include "Song.hxx"
-#include "mpd_error.h"
+#include "FatalError.hxx"
#include "Mapper.hxx"
#include "fs/Path.hxx"
#include "DecoderAPI.hxx"
@@ -501,6 +501,6 @@ decoder_thread_start(struct decoder_control *dc)
GError *e = NULL;
dc->thread = g_thread_create(decoder_task, dc, true, &e);
if (dc->thread == NULL)
- MPD_ERROR("Failed to spawn decoder task: %s", e->message);
+ FatalError("Failed to spawn decoder task", e);
#endif
}
diff --git a/src/FatalError.cxx b/src/FatalError.cxx
new file mode 100644
index 000000000..30ddc50ea
--- /dev/null
+++ b/src/FatalError.cxx
@@ -0,0 +1,91 @@
+/*
+ * Copyright (C) 2003-2013 The Music Player Daemon Project
+ * http://www.musicpd.org
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include "FatalError.hxx"
+
+#include <glib.h>
+
+#include <stdlib.h>
+#include <stdarg.h>
+#include <stdio.h>
+
+#ifdef WIN32
+#include <windows.h>
+#else
+#include <errno.h>
+#endif
+
+#undef G_LOG_DOMAIN
+#define G_LOG_DOMAIN "FatalError"
+
+void
+FatalError(const char *msg)
+{
+ g_critical("%s", msg);
+ exit(EXIT_FAILURE);
+}
+
+void
+FormatFatalError(const char *fmt, ...)
+{
+ va_list ap;
+ va_start(ap, fmt);
+ g_logv(G_LOG_DOMAIN, G_LOG_LEVEL_CRITICAL, fmt, ap);
+ va_end(ap);
+
+ exit(EXIT_FAILURE);
+}
+
+void
+FatalError(GError *error)
+{
+ FatalError(error->message);
+}
+
+void
+FatalError(const char *msg, GError *error)
+{
+ FormatFatalError("%s: %s", msg, error->message);
+}
+
+void
+FatalSystemError(const char *msg)
+{
+ const char *system_error;
+#ifdef WIN32
+ system_error = g_win32_error_message(GetLastError());
+#else
+ system_error = g_strerror(errno);
+#endif
+
+ g_critical("%s: %s", msg, system_error);
+ exit(EXIT_FAILURE);
+}
+
+void
+FormatFatalSystemError(const char *fmt, ...)
+{
+ char buffer[1024];
+ va_list ap;
+ va_start(ap, fmt);
+ vsnprintf(buffer, sizeof(buffer), fmt, ap);
+ va_end(ap);
+
+ FatalSystemError(buffer);
+}
diff --git a/src/FatalError.hxx b/src/FatalError.hxx
new file mode 100644
index 000000000..3918e5fc1
--- /dev/null
+++ b/src/FatalError.hxx
@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2003-2013 The Music Player Daemon Project
+ * http://www.musicpd.org
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef MPD_FATAL_ERROR_HXX
+#define MPD_FATAL_ERROR_HXX
+
+#include "gerror.h"
+#include "gcc.h"
+
+/**
+ * Log the specified message and abort the process.
+ */
+gcc_noreturn
+void
+FatalError(const char *msg);
+
+gcc_noreturn
+void
+FormatFatalError(const char *fmt, ...);
+
+gcc_noreturn
+void
+FatalError(GError *error);
+
+gcc_noreturn
+void
+FatalError(const char *msg, GError *error);
+
+/**
+ * Call this after a system call has failed that is not supposed to
+ * fail. Prints the given message, the system error message (from
+ * errno or GetLastError()) and abort the process.
+ */
+gcc_noreturn
+void
+FatalSystemError(const char *msg);
+
+gcc_noreturn
+void
+FormatFatalSystemError(const char *fmt, ...);
+
+#endif
diff --git a/src/InotifySource.cxx b/src/InotifySource.cxx
index 5552ed578..ff161b6c6 100644
--- a/src/InotifySource.cxx
+++ b/src/InotifySource.cxx
@@ -21,7 +21,7 @@
#include "InotifySource.hxx"
#include "util/fifo_buffer.h"
#include "fd_util.h"
-#include "mpd_error.h"
+#include "FatalError.hxx"
#include <glib.h>
@@ -50,14 +50,13 @@ InotifySource::OnSocketReady(gcc_unused unsigned flags)
dest = fifo_buffer_write(buffer, &length);
if (dest == NULL)
- MPD_ERROR("buffer full");
+ FatalError("buffer full");
nbytes = read(Get(), dest, length);
if (nbytes < 0)
- MPD_ERROR("failed to read from inotify: %s",
- g_strerror(errno));
+ FatalSystemError("Failed to read from inotify");
if (nbytes == 0)
- MPD_ERROR("end of file from inotify");
+ FatalError("end of file from inotify");
fifo_buffer_append(buffer, nbytes);
diff --git a/src/Log.cxx b/src/Log.cxx
index 96ac106cc..37bff9c78 100644
--- a/src/Log.cxx
+++ b/src/Log.cxx
@@ -21,6 +21,7 @@
#include "Log.hxx"
#include "conf.h"
#include "fd_util.h"
+#include "FatalError.hxx"
#include "mpd_error.h"
#include <assert.h>
@@ -60,9 +61,9 @@ static void redirect_logs(int fd)
{
assert(fd >= 0);
if (dup2(fd, STDOUT_FILENO) < 0)
- MPD_ERROR("problems dup2 stdout : %s\n", strerror(errno));
+ FatalSystemError("Failed to dup2 stdout");
if (dup2(fd, STDERR_FILENO) < 0)
- MPD_ERROR("problems dup2 stderr : %s\n", strerror(errno));
+ FatalSystemError("Failed to dup2 stderr");
}
static const char *log_date(void)
diff --git a/src/Main.cxx b/src/Main.cxx
index 307811380..4efe59325 100644
--- a/src/Main.cxx
+++ b/src/Main.cxx
@@ -55,13 +55,12 @@
#include "AudioConfig.hxx"
#include "pcm/PcmResample.hxx"
#include "Daemon.hxx"
+#include "FatalError.hxx"
extern "C" {
#include "stats.h"
}
-#include "mpd_error.h"
-
#ifdef ENABLE_INOTIFY
#include "InotifyUpdate.hxx"
#endif
@@ -194,13 +193,13 @@ glue_db_init_and_load(void)
}
if (!DatabaseGlobalInit(*param, &error))
- MPD_ERROR("%s", error->message);
+ FatalError(error);
delete allocated;
ret = DatabaseGlobalOpen(&error);
if (!ret)
- MPD_ERROR("%s", error->message);
+ FatalError(error);
/* run database update after daemonization? */
return !db_is_simple() || db_exists();
@@ -216,10 +215,10 @@ glue_sticker_init(void)
GError *error = NULL;
char *sticker_file = config_dup_path(CONF_STICKER_FILE, &error);
if (sticker_file == NULL && error != NULL)
- MPD_ERROR("%s", error->message);
+ FatalError(error);
if (!sticker_global_init(sticker_file, &error))
- MPD_ERROR("%s", error->message);
+ FatalError(error);
g_free(sticker_file);
#endif
@@ -268,16 +267,12 @@ static void winsock_init(void)
retval = WSAStartup(MAKEWORD(2, 2), &sockinfo);
if(retval != 0)
- {
- MPD_ERROR("Attempt to open Winsock2 failed; error code %d\n",
- retval);
- }
+ FormatFatalError("Attempt to open Winsock2 failed; error code %d",
+ retval);
if (LOBYTE(sockinfo.wVersion) != 2)
- {
- MPD_ERROR("We use Winsock2 but your version is either too new "
- "or old; please install Winsock 2.x\n");
- }
+ FatalError("We use Winsock2 but your version is either too new "
+ "or old; please install Winsock 2.x");
#endif
}
@@ -298,8 +293,9 @@ initialize_decoder_and_player(void)
if (param != NULL) {
long tmp = strtol(param->value, &test, 10);
if (*test != '\0' || tmp <= 0 || tmp == LONG_MAX)
- MPD_ERROR("buffer size \"%s\" is not a positive integer, "
- "line %i\n", param->value, param->line);
+ FormatFatalError("buffer size \"%s\" is not a "
+ "positive integer, line %i",
+ param->value, param->line);
buffer_size = tmp;
} else
buffer_size = DEFAULT_BUFFER_SIZE;
@@ -309,15 +305,17 @@ initialize_decoder_and_player(void)
buffered_chunks = buffer_size / CHUNK_SIZE;
if (buffered_chunks >= 1 << 15)
- MPD_ERROR("buffer size \"%li\" is too big\n", (long)buffer_size);
+ FormatFatalError("buffer size \"%lu\" is too big",
+ (unsigned long)buffer_size);
param = config_get_param(CONF_BUFFER_BEFORE_PLAY);
if (param != NULL) {
perc = strtod(param->value, &test);
if (*test != '%' || perc < 0 || perc > 100) {
- MPD_ERROR("buffered before play \"%s\" is not a positive "
- "percentage and less than 100 percent, line %i",
- param->value, param->line);
+ FormatFatalError("buffered before play \"%s\" is not "
+ "a positive percentage and less "
+ "than 100 percent, line %i",
+ param->value, param->line);
}
} else
perc = DEFAULT_BUFFER_BEFORE_PLAY;
@@ -505,7 +503,7 @@ int mpd_main(int argc, char *argv[])
database */
unsigned job = update_enqueue(NULL, true);
if (job == 0)
- MPD_ERROR("directory update failed");
+ FatalError("directory update failed");
}
if (!glue_state_file_init(&error)) {
diff --git a/src/MusicBuffer.cxx b/src/MusicBuffer.cxx
index ea03fc0b9..049fb81d9 100644
--- a/src/MusicBuffer.cxx
+++ b/src/MusicBuffer.cxx
@@ -22,7 +22,7 @@
#include "MusicChunk.hxx"
#include "thread/Mutex.hxx"
#include "util/SliceBuffer.hxx"
-#include "mpd_error.h"
+#include "FatalError.hxx"
#include <assert.h>
@@ -33,7 +33,7 @@ struct music_buffer : public SliceBuffer<music_chunk> {
music_buffer(unsigned num_chunks)
:SliceBuffer(num_chunks) {
if (IsOOM())
- MPD_ERROR("Failed to allocate buffer");
+ FatalError("Failed to allocate buffer");
}
};
diff --git a/src/OutputAll.cxx b/src/OutputAll.cxx
index 23fe9ae2d..c58f54597 100644
--- a/src/OutputAll.cxx
+++ b/src/OutputAll.cxx
@@ -26,7 +26,7 @@
#include "MusicBuffer.hxx"
#include "MusicPipe.hxx"
#include "MusicChunk.hxx"
-#include "mpd_error.h"
+#include "FatalError.hxx"
#include "conf.h"
#include "notify.hxx"
@@ -128,10 +128,10 @@ audio_output_all_init(struct player_control *pc)
struct audio_output *output = audio_output_new(*param, pc, &error);
if (output == NULL) {
if (param != NULL)
- MPD_ERROR("line %i: %s",
- param->line, error->message);
+ FormatFatalError("line %i: %s",
+ param->line, error->message);
else
- MPD_ERROR("%s", error->message);
+ FatalError(error);
}
audio_outputs[i] = output;
@@ -139,8 +139,8 @@ audio_output_all_init(struct player_control *pc)
/* require output names to be unique: */
for (j = 0; j < i; j++) {
if (!strcmp(output->name, audio_outputs[j]->name)) {
- MPD_ERROR("output devices with identical "
- "names: %s\n", output->name);
+ FormatFatalError("output devices with identical "
+ "names: %s", output->name);
}
}
}
diff --git a/src/OutputThread.cxx b/src/OutputThread.cxx
index 483d35680..081b89f35 100644
--- a/src/OutputThread.cxx
+++ b/src/OutputThread.cxx
@@ -29,8 +29,7 @@
#include "PlayerControl.hxx"
#include "MusicPipe.hxx"
#include "MusicChunk.hxx"
-
-#include "mpd_error.h"
+#include "FatalError.hxx"
#include "gcc.h"
#include <glib.h>
@@ -676,6 +675,6 @@ void audio_output_thread_start(struct audio_output *ao)
#else
GError *e = nullptr;
if (!(ao->thread = g_thread_create(audio_output_task, ao, true, &e)))
- MPD_ERROR("Failed to spawn output task: %s\n", e->message);
+ FatalError("Failed to spawn output task", e);
#endif
}
diff --git a/src/PlayerThread.cxx b/src/PlayerThread.cxx
index a2dcb2c46..948ad9b90 100644
--- a/src/PlayerThread.cxx
+++ b/src/PlayerThread.cxx
@@ -26,7 +26,7 @@
#include "MusicChunk.hxx"
#include "Song.hxx"
#include "Main.hxx"
-#include "mpd_error.h"
+#include "FatalError.hxx"
#include "CrossFade.hxx"
#include "PlayerControl.hxx"
#include "OutputAll.hxx"
@@ -1207,6 +1207,6 @@ player_create(struct player_control *pc)
GError *e = NULL;
pc->thread = g_thread_create(player_task, pc, true, &e);
if (pc->thread == NULL)
- MPD_ERROR("Failed to spawn player task: %s", e->message);
+ FatalError("Failed to spawn player task", e);
#endif
}
diff --git a/src/SignalHandlers.cxx b/src/SignalHandlers.cxx
index d671dc408..36408dc78 100644
--- a/src/SignalHandlers.cxx
+++ b/src/SignalHandlers.cxx
@@ -26,13 +26,11 @@
#include "Main.hxx"
#include "event/Loop.hxx"
#include "GlobalEvents.hxx"
-#include "mpd_error.h"
+#include "FatalError.hxx"
#include <glib.h>
#include <signal.h>
-#include <errno.h>
-#include <string.h>
static void exit_signal_handler(gcc_unused int signum)
{
@@ -48,7 +46,7 @@ static void
x_sigaction(int signum, const struct sigaction *act)
{
if (sigaction(signum, act, NULL) < 0)
- MPD_ERROR("sigaction() failed: %s", strerror(errno));
+ FatalSystemError("sigaction() failed");
}
static void
diff --git a/src/UpdateGlue.cxx b/src/UpdateGlue.cxx
index 5c63efcda..08ba9783f 100644
--- a/src/UpdateGlue.cxx
+++ b/src/UpdateGlue.cxx
@@ -33,7 +33,7 @@ extern "C" {
#include "Main.hxx"
#include "Instance.hxx"
-#include "mpd_error.h"
+#include "FatalError.hxx"
#include <glib.h>
@@ -110,7 +110,7 @@ spawn_update_task(const char *path)
GError *e = NULL;
update_thr = g_thread_create(update_task, g_strdup(path), TRUE, &e);
if (update_thr == NULL)
- MPD_ERROR("Failed to spawn update task: %s", e->message);
+ FatalError("Failed to spawn update task", e);
#endif
if (++update_task_id > update_task_id_max)