diff options
| -rw-r--r-- | src/nohup.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/src/nohup.c b/src/nohup.c index 9c7aeff7e..a91f9756b 100644 --- a/src/nohup.c +++ b/src/nohup.c @@ -34,6 +34,13 @@ #define AUTHORS "Jim Meyering" +/* This exit status indicates that `nohup' itself failed. */ +#define NOHUP_FAILURE 127 + +/* This exit status indicates that `nohup' found the specified command + but failed to invoke it. */ +#define NOHUP_FOUND_BUT_CANNOT_INVOKE 126 + char *program_name; void @@ -90,7 +97,7 @@ main (int argc, char **argv) if (argc <= 1) { error (0, 0, _("too few arguments")); - usage (EXIT_FAILURE); + usage (NOHUP_FAILURE); } /* If standard output is a tty, redirect it (appending) to a file. @@ -114,14 +121,14 @@ main (int argc, char **argv) int saved_errno2 = errno; error (0, saved_errno, _("failed to open %s"), quote (file)); error (0, saved_errno2, _("failed to open %s"), quote (in_home)); - exit (EXIT_FAILURE); + exit (NOHUP_FAILURE); } file = in_home; } /* Redirect standard output to the file. */ if (dup2 (fd, STDOUT_FILENO) == -1) - error (EXIT_FAILURE, errno, _("failed to redirect standard output")); + error (NOHUP_FAILURE, errno, _("failed to redirect standard output")); error (0, 0, _("appending output to %s"), quote (file)); if (in_home) @@ -142,7 +149,7 @@ main (int argc, char **argv) saved_stderr_fd = dup (STDERR_FILENO); if (dup2 (fd, STDERR_FILENO) == -1) - error (EXIT_FAILURE, errno, _("failed to redirect standard error")); + error (NOHUP_FAILURE, errno, _("failed to redirect standard error")); } /* Ignore hang-up signals. */ @@ -164,7 +171,9 @@ main (int argc, char **argv) char **cmd = argv + 1; execvp (*cmd, cmd); - exit_status = (errno == ENOENT ? 127 : 126); + exit_status = (errno == ENOENT + ? NOHUP_FAILURE + : NOHUP_FOUND_BUT_CANNOT_INVOKE); saved_errno = errno; /* The execve failed. Output a diagnostic to stderr only if: |