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| author | Denys Vlasenko | 2016-10-25 19:04:39 +0200 |
|---|---|---|
| committer | Denys Vlasenko | 2016-10-25 19:04:39 +0200 |
| commit | 20a2cd6291924d405e636916962c6294d3b8544e (patch) | |
| tree | f1b7b519002f3bf027127d176f72505758090abb /shell/ash.c | |
| parent | cf98b0c0857f4e83caa1c8aca95ad73d9b723e2f (diff) | |
| download | busybox-20a2cd6291924d405e636916962c6294d3b8544e.zip busybox-20a2cd6291924d405e636916962c6294d3b8544e.tar.gz | |
ash: [REDIR] Remove EMFILE special case
Upstream commit:
Date: Sun, 6 May 2007 12:01:37 +1000
[REDIR] Remove EMFILE special case
No caller of copyfd need to ignore EMFILE so we can remove the special
case and just let it call sh_error on any error.
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'shell/ash.c')
| -rw-r--r-- | shell/ash.c | 8 |
1 files changed, 1 insertions, 7 deletions
diff --git a/shell/ash.c b/shell/ash.c index 9dcf809..8092e39 100644 --- a/shell/ash.c +++ b/shell/ash.c @@ -5190,9 +5190,7 @@ openredirect(union node *redir) } /* - * Copy a file descriptor to be >= to. Returns -1 - * if the source file descriptor is closed, EMPTY if there are no unused - * file descriptors left. + * Copy a file descriptor to be >= to. Throws exception on error. */ /* 0x800..00: bit to set in "to" to request dup2 instead of fcntl(F_DUPFD). * old code was doing close(to) prior to copyfd() to achieve the same */ @@ -5213,8 +5211,6 @@ copyfd(int from, int to) newfd = fcntl(from, F_DUPFD, to); } if (newfd < 0) { - if (errno == EMFILE) - return EMPTY; /* Happens when source fd is not open: try "echo >&99" */ ash_msg_and_raise_error("%d: %m", from); } @@ -10243,8 +10239,6 @@ setinputfile(const char *fname, int flags) if (fd < 10) { fd2 = copyfd(fd, 10); close(fd); - if (fd2 < 0) - ash_msg_and_raise_error("out of file descriptors"); fd = fd2; } setinputfd(fd, flags & INPUT_PUSH_FILE); |