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xz: Use pipe2() if available.
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parent
117d962685
commit
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2 changed files with 10 additions and 3 deletions
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@ -626,8 +626,8 @@ gl_GETOPT
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# Find the best function to set timestamps.
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AC_CHECK_FUNCS([futimens futimes futimesat utimes utime], [break])
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# This is nice to have but not mandatory.
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AC_CHECK_FUNCS([posix_fadvise])
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# These are nice to have but not mandatory.
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AC_CHECK_FUNCS([posix_fadvise pipe2])
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TUKLIB_PROGNAME
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TUKLIB_INTEGER
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@ -82,7 +82,13 @@ io_init(void)
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// we are root.
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warn_fchown = geteuid() == 0;
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// Create a pipe for the self-pipe trick.
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// Create a pipe for the self-pipe trick. If pipe2() is available,
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// we can avoid the fcntl() calls.
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# ifdef HAVE_PIPE2
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if (pipe2(user_abort_pipe, O_NONBLOCK))
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message_fatal(_("Error creating a pipe: %s"),
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strerror(errno));
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# else
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if (pipe(user_abort_pipe))
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message_fatal(_("Error creating a pipe: %s"),
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strerror(errno));
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@ -95,6 +101,7 @@ io_init(void)
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message_fatal(_("Error creating a pipe: %s"),
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strerror(errno));
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}
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# endif
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#endif
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#ifdef __DJGPP__
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