summaryrefslogtreecommitdiff
path: root/src/nohup.c
diff options
context:
space:
mode:
authorJim Meyering <jim@meyering.net>2003-07-13 09:25:21 +0000
committerJim Meyering <jim@meyering.net>2003-07-13 09:25:21 +0000
commit48606016b8ae473dca4413477a8ab4e2f51e20da (patch)
treecb189237d864af38c6b91107ccabf36cb27f5782 /src/nohup.c
parent7c4f69a2fa6b0db8f4ac2ce0184c86aeceacddca (diff)
downloadcoreutils-48606016b8ae473dca4413477a8ab4e2f51e20da.tar.xz
(NOHUP_FAILURE, NOHUP_FOUND_BUT_CANNOT_INVOKE): Define.
(main): Use them.
Diffstat (limited to 'src/nohup.c')
-rw-r--r--src/nohup.c19
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: