X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/cb529e7c1abcfe6b61241e47a780172031b82840..9d62069fd52fa2108b677ffadc7f6138c7641757:/lunaix-os/kernel/lxinit.c?ds=sidebyside diff --git a/lunaix-os/kernel/lxinit.c b/lunaix-os/kernel/lxinit.c index fa5ce38..2ac9342 100644 --- a/lunaix-os/kernel/lxinit.c +++ b/lunaix-os/kernel/lxinit.c @@ -5,7 +5,6 @@ #include #include #include -#include #include #include #include @@ -19,20 +18,6 @@ LOG_MODULE("INIT") #define WAIT_DEMO #define IN_USER_MODE -void __USER__ -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() { @@ -46,9 +31,6 @@ _lxinit_main() } #endif - signal(_SIGCHLD, sigchild_handler); - signal(_SIGSEGV, sigsegv_handler); - int status; #ifdef WAIT_DEMO // 测试wait @@ -59,7 +41,7 @@ _lxinit_main() kprintf("I am child, I am about to terminated\n"); _exit(1); } - pause(); + wait(&status); pid_t child = wait(&status); kprintf("I am parent, my child (%d) terminated normally with code: %d.\n", child, @@ -79,7 +61,6 @@ _lxinit_main() 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! @@ -93,11 +74,7 @@ _lxinit_main() while ((p = wait(&status)) >= 0) { short code = WEXITSTATUS(status); - if (WIFSIGNALED(status)) { - kprintf(KINFO "Process %d terminated by signal, exit_code: %d\n", - p, - code); - } else if (WIFEXITED(status)) { + 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);