X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fruntime%2Frun-program.c;h=64e4797245aed1bc68fa33de348e3a6f5a03ea1f;hb=5e92e9ed61903658015c2a75c79a32ad41dbd29d;hp=241db7ff8ad370328858114ddda2554201a10a85;hpb=d68f3f83e6c5b9bed9789279cbae346f240488cc;p=sbcl.git diff --git a/src/runtime/run-program.c b/src/runtime/run-program.c index 241db7f..64e4797 100644 --- a/src/runtime/run-program.c +++ b/src/runtime/run-program.c @@ -16,12 +16,11 @@ #include #include #include +#include #include #include #include -#if defined(SVR4) || defined(__linux__) #include -#endif #include #include @@ -31,20 +30,20 @@ * example code found at * http://www.yendor.com/programming/unix/apue/pty/main.c --brkint +-brkint */ -int set_noecho(int fd) +int set_noecho(int fd) { struct termios stermios; - + if (tcgetattr(fd, &stermios) < 0) return 0; - + stermios.c_lflag &= ~( ECHO | /* ECHOE | ECHOK | */ ECHONL); - stermios.c_oflag |= (ONLCR); + stermios.c_oflag |= (ONLCR); stermios.c_iflag &= ~(BRKINT); - stermios.c_iflag |= (ICANON|ICRNL); + stermios.c_iflag |= (ICANON|ICRNL); stermios.c_cc[VERASE]=0177; if (tcsetattr(fd, TCSANOW, &stermios) < 0) return 0; @@ -52,54 +51,59 @@ int set_noecho(int fd) } int spawn(char *program, char *argv[], char *envp[], char *pty_name, - int stdin, int stdout, int stderr) + int stdin, int stdout, int stderr) { int pid = fork(); int fd; + sigset_t sset; if (pid != 0) - return pid; + return pid; /* Put us in our own process group. */ #if defined(hpux) setsid(); -#elif defined(SVR4) || defined(__linux__) +#elif defined(SVR4) || defined(__linux__) || defined(__osf__) setpgrp(); #else setpgrp(0, getpid()); #endif + /* unblock signals */ + sigemptyset(&sset); + sigprocmask(SIG_SETMASK, &sset, NULL); + /* If we are supposed to be part of some other pty, go for it. */ if (pty_name) { #if !defined(hpux) && !defined(SVR4) - fd = open("/dev/tty", O_RDWR, 0); - if (fd >= 0) { - ioctl(fd, TIOCNOTTY, 0); - close(fd); - } + fd = open("/dev/tty", O_RDWR, 0); + if (fd >= 0) { + ioctl(fd, TIOCNOTTY, 0); + close(fd); + } #endif - fd = open(pty_name, O_RDWR, 0); - dup2(fd, 0); - set_noecho(0); - dup2(fd, 1); - dup2(fd, 2); - close(fd); + fd = open(pty_name, O_RDWR, 0); + dup2(fd, 0); + set_noecho(0); + dup2(fd, 1); + dup2(fd, 2); + close(fd); } else{ /* Set up stdin, stdout, and stderr */ if (stdin >= 0) - dup2(stdin, 0); + dup2(stdin, 0); if (stdout >= 0) - dup2(stdout, 1); + dup2(stdout, 1); if (stderr >= 0) - dup2(stderr, 2); + dup2(stderr, 2); } /* Close all other fds. */ #ifdef SVR4 for (fd = sysconf(_SC_OPEN_MAX)-1; fd >= 3; fd--) - close(fd); + close(fd); #else for (fd = getdtablesize()-1; fd >= 3; fd--) - close(fd); + close(fd); #endif /* Exec the program. */