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Move main signal handler setup to os specificfiles. 

Move main signal handler setup to os specific files.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Acked-by: Juan Quintela <quintela@redhat.com>
Acked-by: Richard Henderson <rth@redhat.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Jes Sorensen 2010-06-10 11:42:22 +02:00 committed by Blue Swirl
parent fe98ac1461
commit 8d963e6ae7
4 changed files with 33 additions and 32 deletions
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27
os-posix.c
View File

@ -26,6 +26,8 @@
#include <unistd.h>
#include <fcntl.h>
#include <signal.h>
#include <sys/types.h>
#include <sys/wait.h>
/* Needed early for CONFIG_BSD etc. */
#include "config-host.h"
@ -39,3 +41,28 @@ void os_setup_early_signal_handling(void)
act.sa_handler = SIG_IGN;
sigaction(SIGPIPE, &act, NULL);
}
static void termsig_handler(int signal)
{
qemu_system_shutdown_request();
}
static void sigchld_handler(int signal)
{
waitpid(-1, NULL, WNOHANG);
}
void os_setup_signal_handling(void)
{
struct sigaction act;
memset(&act, 0, sizeof(act));
act.sa_handler = termsig_handler;
sigaction(SIGINT, &act, NULL);
sigaction(SIGHUP, &act, NULL);
sigaction(SIGTERM, &act, NULL);
act.sa_handler = sigchld_handler;
act.sa_flags = SA_NOCLDSTOP;
sigaction(SIGCHLD, &act, NULL);
}

2
qemu-os-posix.h
View File

@ -30,4 +30,6 @@ static inline void os_host_main_loop_wait(int *timeout)
{
}
void os_setup_signal_handling(void);
#endif

3
qemu-os-win32.h
View File

@ -41,4 +41,7 @@ int qemu_add_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque);
void qemu_del_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque);
void os_host_main_loop_wait(int *timeout);
static inline void os_setup_signal_handling(void) {}
#endif

33
vl.c
View File

@ -1986,35 +1986,6 @@ static int balloon_parse(const char *arg)
return -1;
}
#ifndef _WIN32
static void termsig_handler(int signal)
{
qemu_system_shutdown_request();
}
static void sigchld_handler(int signal)
{
waitpid(-1, NULL, WNOHANG);
}
static void sighandler_setup(void)
{
struct sigaction act;
memset(&act, 0, sizeof(act));
act.sa_handler = termsig_handler;
sigaction(SIGINT, &act, NULL);
sigaction(SIGHUP, &act, NULL);
sigaction(SIGTERM, &act, NULL);
act.sa_handler = sigchld_handler;
act.sa_flags = SA_NOCLDSTOP;
sigaction(SIGCHLD, &act, NULL);
}
#endif
#ifdef _WIN32
/* Look for support files in the same directory as the executable. */
static char *find_datadir(const char *argv0)
@ -3556,10 +3527,8 @@ int main(int argc, char **argv, char **envp)
cpu_synchronize_all_post_init();
#ifndef _WIN32
/* must be after terminal init, SDL library changes signal handlers */
sighandler_setup();
#endif
os_setup_signal_handling();
set_numa_modes();