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| author | Lasse Collin <lasse.collin@tukaani.org> | 2015-02-22 19:38:48 +0200 |
|---|---|---|
| committer | Lasse Collin <lasse.collin@tukaani.org> | 2015-02-22 19:38:48 +0200 |
| commit | 7a11c4a8e5e15f13d5fa59233b3172e65428efdd (patch) | |
| tree | b4892d6e7c7bd5bc1e462a6154308baec2070f74 /src/xz/file_io.c | |
| parent | liblzma: Fix a compression-ratio regression in LZMA1/2 in fast mode. (diff) | |
| download | xz-7a11c4a8e5e15f13d5fa59233b3172e65428efdd.tar.xz | |
xz: Use pipe2() if available.
Diffstat (limited to 'src/xz/file_io.c')
| -rw-r--r-- | src/xz/file_io.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/xz/file_io.c b/src/xz/file_io.c index 9bd515dd..20f512a2 100644 --- a/src/xz/file_io.c +++ b/src/xz/file_io.c @@ -82,7 +82,13 @@ io_init(void) // we are root. warn_fchown = geteuid() == 0; - // Create a pipe for the self-pipe trick. + // Create a pipe for the self-pipe trick. If pipe2() is available, + // we can avoid the fcntl() calls. +# ifdef HAVE_PIPE2 + if (pipe2(user_abort_pipe, O_NONBLOCK)) + message_fatal(_("Error creating a pipe: %s"), + strerror(errno)); +# else if (pipe(user_abort_pipe)) message_fatal(_("Error creating a pipe: %s"), strerror(errno)); @@ -95,6 +101,7 @@ io_init(void) message_fatal(_("Error creating a pipe: %s"), strerror(errno)); } +# endif #endif #ifdef __DJGPP__ |