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| author | Thomas White <taw@physics.org> | 2011-01-14 17:36:16 +0100 |
|---|---|---|
| committer | Thomas White <taw@physics.org> | 2012-02-22 15:27:11 +0100 |
| commit | 71c58411d4e85d46c3033d9064750fe22d21a0a8 (patch) | |
| tree | 0bc73de10787bbe4482213d53001a64d3159d503 | |
| parent | 0ac37d58867aa23d3cab2aab1d45e4d2affd59d0 (diff) | |
Describe cause of select() failure
| -rw-r--r-- | src/dirax.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/dirax.c b/src/dirax.c index f811d394..aa748649 100644 --- a/src/dirax.c +++ b/src/dirax.c @@ -24,6 +24,7 @@ #include <fcntl.h> #include <assert.h> #include <sys/ioctl.h> +#include <errno.h> #if HAVE_FORKPTY_LINUX #include <pty.h> @@ -497,7 +498,8 @@ void run_dirax(struct image *image) sval = select(dirax->pty+1, &fds, NULL, NULL, &tv); if ( sval == -1 ) { - ERROR("select() failed.\n"); + int err = errno; + ERROR("select() failed: %s\n", strerror(err)); rval = 1; } else if ( sval != 0 ) { rval = dirax_readable(image, dirax); |