[Xen-devel] [PATCH 3/6] libxl: actually print an error when execve (in libxl__exec) fails

[Ian Jackson <ian.jackson@xxxxxxxxxxxxx>]

The header comment says libxl__exec logs errors.  So it should do so.

Signed-off-by: Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>
---
 tools/libxl/libxl_exec.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/tools/libxl/libxl_exec.c b/tools/libxl/libxl_exec.c
index 6c21220..e770fd3 100644
--- a/tools/libxl/libxl_exec.c
+++ b/tools/libxl/libxl_exec.c
@@ -55,6 +55,8 @@ void libxl__exec(int stdinfd, int stdoutfd, int stderrfd, 
const char *arg0,
      * to assume they got DFL. */
 
     execvp(arg0, args);
+
+    fprintf(stderr, "libxl: cannot execute %s: %s\n", arg0, strerror(errno));
     _exit(-1);
 }
 
-- 
1.5.6.5


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