X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/2803826a2373620dbfce8a5bff1e6a01dd594953..cb529e7c1abcfe6b61241e47a780172031b82840:/lunaix-os/kernel/lxinit.c diff --git a/lunaix-os/kernel/lxinit.c b/lunaix-os/kernel/lxinit.c index 2de87c5..fa5ce38 100644 --- a/lunaix-os/kernel/lxinit.c +++ b/lunaix-os/kernel/lxinit.c @@ -25,6 +25,14 @@ sigchild_handler(int signum) kprintf(KINFO "SIGCHLD received\n"); } +void __USER__ +sigsegv_handler(int signum) +{ + pid_t pid = getpid(); + kprintf(KWARN "SIGSEGV received on process %d\n", pid); + _exit(signum); +} + void __USER__ _lxinit_main() { @@ -39,6 +47,7 @@ _lxinit_main() #endif signal(_SIGCHLD, sigchild_handler); + signal(_SIGSEGV, sigsegv_handler); int status; #ifdef WAIT_DEMO @@ -67,9 +76,10 @@ _lxinit_main() waitpid(-1, &status, WNOHANG); - for (size_t i = 0; i < 10; i++) { + for (size_t i = 0; i < 5; i++) { pid_t pid = 0; if (!(pid = fork())) { + signal(_SIGSEGV, sigsegv_handler); sleep(i); if (i == 3) { i = *(int*)0xdeadc0de; // seg fault! @@ -83,7 +93,11 @@ _lxinit_main() while ((p = wait(&status)) >= 0) { short code = WEXITSTATUS(status); - if (WIFEXITED(status)) { + if (WIFSIGNALED(status)) { + kprintf(KINFO "Process %d terminated by signal, exit_code: %d\n", + p, + code); + } else if (WIFEXITED(status)) { kprintf(KINFO "Process %d exited with code %d\n", p, code); } else { kprintf(KWARN "Process %d aborted with code %d\n", p, code);