diff options
Diffstat (limited to 'ports')
| -rw-r--r-- | ports/unix/guts/system.c | 39 | ||||
| -rw-r--r-- | ports/unix/wrapfuncs.in | 1 |
2 files changed, 40 insertions, 0 deletions
diff --git a/ports/unix/guts/system.c b/ports/unix/guts/system.c new file mode 100644 index 0000000..99b27c0 --- /dev/null +++ b/ports/unix/guts/system.c @@ -0,0 +1,39 @@ +/* + * Copyright (c) 2011 Wind River Systems; see + * guts/COPYRIGHT for information. + * + * int system(const char *command) + * int rc = -1; + */ + /* We want to ensure that the child process implicitly + * spawned has the right environment. So... + */ + int pid; + + if (!command) + return 1; + + pid = wrap_fork(); + + if (pid) { + int status; + waitpid(pid, &status, 0); + if (WIFEXITED(status)) { + rc = WEXITSTATUS(status); + } else { + /* we naively assume that either it exited or + * got killed by a signal... + */ + rc = WTERMSIG(status) + 128; + } + } else { + /* this involves ANOTHER fork, but it's much, much, + * simpler than trying to get all the details right. + */ + rc = real_system(command); + exit(rc); + } + +/* return rc; + * } + */ diff --git a/ports/unix/wrapfuncs.in b/ports/unix/wrapfuncs.in index b0fdb2c..74bad89 100644 --- a/ports/unix/wrapfuncs.in +++ b/ports/unix/wrapfuncs.in @@ -54,3 +54,4 @@ int unlinkat(int dirfd, const char *path, int rflags); /* flags=AT_SYMLINK_NOFOL # primarily for use with chroot() ssize_t readlink(const char *path, char *buf, size_t bufsiz); /* flags=AT_SYMLINK_NOFOLLOW */ ssize_t readlinkat(int dirfd, const char *path, char *buf, size_t bufsiz); /* flags=AT_SYMLINK_NOFOLLOW */ +int system(const char *command); |