diff options
Diffstat (limited to 'os/osinit.c')
| -rw-r--r-- | os/osinit.c | 91 |
1 files changed, 34 insertions, 57 deletions
diff --git a/os/osinit.c b/os/osinit.c index 91e3e068c..8e5b0f16b 100644 --- a/os/osinit.c +++ b/os/osinit.c @@ -69,9 +69,11 @@ SOFTWARE. #if !defined(SYSV) && !defined(WIN32) #include <sys/resource.h> #endif +#include <pthread.h> -#ifndef ADMPATH -#define ADMPATH "/usr/adm/X%smsgs" +#if defined(WIN32) || defined(__CYGWIN__) +#define WIN32_LEAN_AND_MEAN +#include <X11/Xwindows.h> #endif extern char *display; @@ -85,6 +87,7 @@ int limitStackSpace = -1; #ifdef RLIMIT_NOFILE int limitNoFile = -1; #endif +extern Bool install_os_signal_handler; static OsSigWrapperPtr OsSigWrapper = NULL; @@ -105,7 +108,7 @@ OsRegisterSigWrapper(OsSigWrapperPtr newSigWrapper) #if !defined(WIN32) || defined(__CYGWIN__) static void #ifdef SA_SIGINFO -OsSigHandler(int signo, siginfo_t * sip, void *unused) +OsSigHandler(int signo, siginfo_t * sip, void *sigcontext) #else OsSigHandler(int signo) #endif @@ -125,8 +128,7 @@ OsSigHandler(int signo) } } - /* log, cleanup, and abort */ - xorg_backtrace(); + ErrorFSigSafe("Fatal signal received in thread 0x%x [0x%x]\n", pthread_self(), GetCurrentThreadId()); #ifdef SA_SIGINFO if (sip->si_code == SI_USER) { @@ -144,6 +146,11 @@ OsSigHandler(int signo) } #endif + /* log, cleanup, and abort */ + xorg_backtrace(); + + xorg_crashreport(signo, sip, sigcontext); + FatalError("Caught signal %d (%s). Server aborting\n", signo, strsignal(signo)); } @@ -160,30 +167,33 @@ OsInit(void) if (!been_here) { #if !defined(WIN32) || defined(__CYGWIN__) - struct sigaction act, oact; - int i; - - int siglist[] = { SIGSEGV, SIGQUIT, SIGILL, SIGFPE, SIGBUS, - SIGSYS, - SIGXCPU, - SIGXFSZ, + if (install_os_signal_handler) { + struct sigaction act, oact; + int i; + + int siglist[] = { SIGSEGV, SIGQUIT, SIGILL, SIGFPE, SIGBUS, + SIGSYS, + SIGXCPU, + SIGXFSZ, #ifdef SIGEMT - SIGEMT, + SIGEMT, #endif - 0 /* must be last */ - }; - sigemptyset(&act.sa_mask); + 0 /* must be last */ + }; + sigemptyset(&act.sa_mask); #ifdef SA_SIGINFO - act.sa_sigaction = OsSigHandler; - act.sa_flags = SA_SIGINFO; + act.sa_sigaction = OsSigHandler; + act.sa_flags = SA_SIGINFO; #else - act.sa_handler = OsSigHandler; - act.sa_flags = 0; + act.sa_handler = OsSigHandler; + act.sa_flags = 0; #endif - for (i = 0; siglist[i] != 0; i++) { - if (sigaction(siglist[i], &act, &oact)) { - ErrorF("failed to install signal handler for signal %d: %s\n", - siglist[i], strerror(errno)); + for (i = 0; siglist[i] != 0; i++) { + if (sigaction(siglist[i], &act, &oact)) { + ErrorF + ("failed to install signal handler for signal %d: %s\n", + siglist[i], strerror(errno)); + } } } #endif /* !WIN32 || __CYGWIN__ */ @@ -226,40 +236,7 @@ OsInit(void) # elif !defined(__CYGWIN__) fclose(stdin); fclose(stdout); -# endif - /* - * If a write of zero bytes to stderr returns non-zero, i.e. -1, - * then writing to stderr failed, and we'll write somewhere else - * instead. (Apparently this never happens in the Real World.) - */ - if (write(2, fname, 0) == -1) { - FILE *err; - - if (strlen(display) + strlen(ADMPATH) + 1 < sizeof fname) - snprintf(fname, sizeof(fname), ADMPATH, display); - else - strcpy(fname, devnull); - /* - * uses stdio to avoid os dependencies here, - * a real os would use - * open (fname, O_WRONLY|O_APPEND|O_CREAT, 0666) - */ - if (!(err = fopen(fname, "a+"))) - err = fopen(devnull, "w"); - if (err && (fileno(err) != 2)) { - dup2(fileno(err), 2); - fclose(err); - } -#if defined(SYSV) || defined(SVR4) || defined(WIN32) || defined(__CYGWIN__) - { - static char buf[BUFSIZ]; - - setvbuf(stderr, buf, _IOLBF, BUFSIZ); - } -#else - setlinebuf(stderr); #endif - } #endif /* !XQUARTZ */ #if !defined(WIN32) || defined(__CYGWIN__) |