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Replace signalfd with kqueue for FreeBSD

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This commit is contained in:
Julien BLACHE 2010-01-09 13:44:56 +01:00
parent 8d7c566d95
commit 5681793534
1 changed files with 86 additions and 3 deletions
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87
src/main.c
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@ -38,7 +38,12 @@
#include <grp.h> #include <grp.h>
#include <stdint.h> #include <stdint.h>
#if defined(__linux__)
# include <sys/signalfd.h> # include <sys/signalfd.h>
#elif defined(__FreeBSD__)
# include <sys/time.h>
# include <sys/event.h>
#endif
#include <pthread.h> #include <pthread.h>
@ -288,8 +293,9 @@ register_services(char *ffid, int no_rsp, int no_daap)
} }
#if defined(__linux__)
static void static void
signal_cb(int fd, short event, void *arg) signal_signalfd_cb(int fd, short event, void *arg)
{ {
struct signalfd_siginfo info; struct signalfd_siginfo info;
int status; int status;
@ -327,6 +333,51 @@ signal_cb(int fd, short event, void *arg)
event_add(&sig_event, NULL); event_add(&sig_event, NULL);
} }
#elif defined(__FreeBSD__)
static void
signal_kqueue_cb(int fd, short event, void *arg)
{
struct timespec ts;
struct kevent ke;
int status;
ts.tv_sec = 0;
ts.tv_nsec = 0;
while (kevent(fd, NULL, 0, &ke, 1, &ts) > 0)
{
switch (ke.ident)
{
case SIGCHLD:
DPRINTF(E_LOG, L_MAIN, "Got SIGCHLD, reaping children\n");
while (wait3(&status, WNOHANG, NULL) > 0)
/* Nothing. */ ;
break;
case SIGINT:
case SIGTERM:
DPRINTF(E_LOG, L_MAIN, "Got SIGTERM or SIGINT\n");
main_exit = 1;
break;
case SIGHUP:
DPRINTF(E_LOG, L_MAIN, "Got SIGHUP\n");
if (!main_exit)
logger_reinit();
break;
}
}
if (main_exit)
event_base_loopbreak(evbase_main);
else
event_add(&sig_event, NULL);
}
#endif
int int
main(int argc, char **argv) main(int argc, char **argv)
@ -343,6 +394,9 @@ main(int argc, char **argv)
char *pidfile; char *pidfile;
sigset_t sigs; sigset_t sigs;
int sigfd; int sigfd;
#ifdef __FreeBSD__
struct kevent ke_sigs[4];
#endif
int ret; int ret;
struct option option_map[] = struct option option_map[] =
@ -543,6 +597,7 @@ main(int argc, char **argv)
goto mdns_reg_fail; goto mdns_reg_fail;
} }
#if defined(__linux__)
/* Set up signal fd */ /* Set up signal fd */
sigfd = signalfd(-1, &sigs, SFD_NONBLOCK | SFD_CLOEXEC); sigfd = signalfd(-1, &sigs, SFD_NONBLOCK | SFD_CLOEXEC);
if (sigfd < 0) if (sigfd < 0)
@ -553,7 +608,35 @@ main(int argc, char **argv)
goto signalfd_fail; goto signalfd_fail;
} }
event_set(&sig_event, sigfd, EV_READ, signal_cb, NULL); event_set(&sig_event, sigfd, EV_READ, signal_signalfd_cb, NULL);
#elif defined(__FreeBSD__)
sigfd = kqueue();
if (sigfd < 0)
{
DPRINTF(E_FATAL, L_MAIN, "Could not setup kqueue: %s\n", strerror(errno));
ret = EXIT_FAILURE;
goto signalfd_fail;
}
EV_SET(&ke_sigs[0], SIGINT, EVFILT_SIGNAL, EV_ADD, 0, 0, NULL);
EV_SET(&ke_sigs[1], SIGTERM, EVFILT_SIGNAL, EV_ADD, 0, 0, NULL);
EV_SET(&ke_sigs[2], SIGHUP, EVFILT_SIGNAL, EV_ADD, 0, 0, NULL);
EV_SET(&ke_sigs[3], SIGCHLD, EVFILT_SIGNAL, EV_ADD, 0, 0, NULL);
ret = kevent(sigfd, ke_sigs, 4, NULL, 0, NULL);
if (ret < 0)
{
DPRINTF(E_FATAL, L_MAIN, "Could not register signal events: %s\n", strerror(errno));
ret = EXIT_FAILURE;
goto signalfd_fail;
}
event_set(&sig_event, sigfd, EV_READ, signal_kqueue_cb, NULL);
#endif
event_base_set(evbase_main, &sig_event); event_base_set(evbase_main, &sig_event);
event_add(&sig_event, NULL); event_add(&sig_event, NULL);