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Put this back in with the initialisation in the right order.

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This commit is contained in:
Nicholas Marriott
2010-05-04 17:28:16 +00:00
parent af5e0bd15a
commit c4a2fdf15b
9 changed files with 116 additions and 154 deletions
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75
tmux.c
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@ -18,6 +18,7 @@
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/wait.h>
#include <errno.h>
#include <event.h>
@ -41,6 +42,8 @@ struct options global_s_options; /* session options */
struct options global_w_options; /* window options */
struct environ global_environ;
struct event_base *ev_base;
int debug_level;
time_t start_time;
char *socket_path;
@ -58,11 +61,8 @@ char *makesockpath(const char *);
__dead void shell_exec(const char *, const char *);
struct imsgbuf *main_ibuf;
struct event main_ev_sigterm;
int main_exitval;
void main_set_signals(void);
void main_clear_signals(void);
void main_signal(int, short, unused void *);
void main_callback(int, short, void *);
void main_dispatch(const char *);
@ -238,7 +238,6 @@ main(int argc, char **argv)
struct keylist *keylist;
struct env_data envdata;
struct msg_command_data cmddata;
struct sigaction sigact;
char *s, *shellcmd, *path, *label, *home, *cause;
char cwd[MAXPATHLEN], **var;
void *buf;
@ -538,24 +537,16 @@ main(int argc, char **argv)
exit(1);
}
/* Catch SIGCHLD to avoid a zombie when starting the server. */
memset(&sigact, 0, sizeof sigact);
sigemptyset(&sigact.sa_mask);
sigact.sa_handler = SIG_IGN;
if (sigaction(SIGCHLD, &sigact, NULL) != 0)
fatal("sigaction failed");
ev_base = event_init();
set_signals(main_signal);
/* Initialise the client socket/start the server. */
if ((main_ibuf = client_init(path, cmdflags, flags)) == NULL)
exit(1);
xfree(path);
event_init();
imsg_compose(main_ibuf, msg, PROTOCOL_VERSION, -1, -1, buf, len);
main_set_signals();
events = EV_READ;
if (main_ibuf->w.queued > 0)
events |= EV_WRITE;
@ -564,65 +555,23 @@ main(int argc, char **argv)
main_exitval = 0;
event_dispatch();
main_clear_signals();
clear_signals();
client_main(); /* doesn't return */
}
void
main_set_signals(void)
{
struct sigaction sigact;
memset(&sigact, 0, sizeof sigact);
sigemptyset(&sigact.sa_mask);
sigact.sa_flags = SA_RESTART;
sigact.sa_handler = SIG_IGN;
if (sigaction(SIGINT, &sigact, NULL) != 0)
fatal("sigaction failed");
if (sigaction(SIGPIPE, &sigact, NULL) != 0)
fatal("sigaction failed");
if (sigaction(SIGUSR1, &sigact, NULL) != 0)
fatal("sigaction failed");
if (sigaction(SIGUSR2, &sigact, NULL) != 0)
fatal("sigaction failed");
if (sigaction(SIGTSTP, &sigact, NULL) != 0)
fatal("sigaction failed");
signal_set(&main_ev_sigterm, SIGTERM, main_signal, NULL);
signal_add(&main_ev_sigterm, NULL);
}
void
main_clear_signals(void)
{
struct sigaction sigact;
memset(&sigact, 0, sizeof sigact);
sigemptyset(&sigact.sa_mask);
sigact.sa_flags = SA_RESTART;
sigact.sa_handler = SIG_DFL;
if (sigaction(SIGINT, &sigact, NULL) != 0)
fatal("sigaction failed");
if (sigaction(SIGPIPE, &sigact, NULL) != 0)
fatal("sigaction failed");
if (sigaction(SIGUSR1, &sigact, NULL) != 0)
fatal("sigaction failed");
if (sigaction(SIGUSR2, &sigact, NULL) != 0)
fatal("sigaction failed");
if (sigaction(SIGTSTP, &sigact, NULL) != 0)
fatal("sigaction failed");
event_del(&main_ev_sigterm);
}
/* ARGSUSED */
void
main_signal(int sig, unused short events, unused void *data)
{
int status;
switch (sig) {
case SIGTERM:
exit(1);
case SIGCHLD:
waitpid(WAIT_ANY, &status, WNOHANG);
break;
}
}
@ -701,7 +650,7 @@ main_dispatch(const char *shellcmd)
memcpy(&shelldata, imsg.data, sizeof shelldata);
shelldata.shell[(sizeof shelldata.shell) - 1] = '\0';
main_clear_signals();
clear_signals();
shell_exec(shelldata.shell, shellcmd);
default: