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| author | Bernhard Reutner-Fischer | 2009-10-26 23:27:08 +0100 |
|---|---|---|
| committer | Denys Vlasenko | 2009-10-27 17:17:34 +0100 |
| commit | a48308701a4d89d7cc0d0557cfabaec94a0bb3b0 (patch) | |
| tree | a7b2baa086249a6c37c3479f28f4a680a1133a64 /libbb | |
| parent | ca254490d703c750390042c9afa21d1537c90e9a (diff) | |
| download | busybox-a48308701a4d89d7cc0d0557cfabaec94a0bb3b0.zip busybox-a48308701a4d89d7cc0d0557cfabaec94a0bb3b0.tar.gz | |
add and use xopen_nonblocking (-18b)
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'libbb')
| -rw-r--r-- | libbb/xfuncs_printf.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/libbb/xfuncs_printf.c b/libbb/xfuncs_printf.c index 345c842..241887a 100644 --- a/libbb/xfuncs_printf.c +++ b/libbb/xfuncs_printf.c @@ -140,6 +140,15 @@ int FAST_FUNC xopen(const char *pathname, int flags) return xopen3(pathname, flags, 0666); } +/* Die if we can't open an existing file readonly with O_NONBLOCK + * and return the fd. + * Note that for ioctl O_RDONLY is sufficient. + */ +int FAST_FUNC xopen_nonblocking(const char *pathname) +{ + return xopen(pathname, O_RDONLY | O_NONBLOCK); +} + // Warn if we can't open a file and return a fd. int FAST_FUNC open3_or_warn(const char *pathname, int flags, int mode) { |