diff options
Diffstat (limited to 'libbb/xfuncs.c')
| -rw-r--r-- | libbb/xfuncs.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/libbb/xfuncs.c b/libbb/xfuncs.c index 14bd62a..7f870ac 100644 --- a/libbb/xfuncs.c +++ b/libbb/xfuncs.c @@ -192,9 +192,16 @@ int wait4pid(int pid) { int status; - if (pid == -1 || waitpid(pid, &status, 0) == -1) return -1; - if (WIFEXITED(status)) return WEXITSTATUS(status); - if (WIFSIGNALED(status)) return WTERMSIG(status); + if (pid <= 0) { + errno = ECHILD; + return -1; + } + if (waitpid(pid, &status, 0) == -1) + return -1; + if (WIFEXITED(status)) + return WEXITSTATUS(status); + if (WIFSIGNALED(status)) + return WTERMSIG(status) + 10000; return 0; } |