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qemu-file: check exit status when closing a pipe QEMUFile

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This is what exec_close does.  Move this to the underlying QEMUFile.

Reviewed-by: Orit Wasserman <owasserm@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
This commit is contained in:
Paolo Bonzini 2013-02-22 17:36:38 +01:00 committed by Juan Quintela
parent ce39ee3184
commit 13c7b2da07
3 changed files with 10 additions and 4 deletions
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7
include/qemu/osdep.h
View File

@ -9,6 +9,13 @@
#include <sys/signal.h>
#endif
#ifndef _WIN32
#include <sys/wait.h>
#else
#define WIFEXITED(x) 1
#define WEXITSTATUS(x) (x)
#endif
#include <sys/time.h>
#if defined(CONFIG_SOLARIS) && CONFIG_SOLARIS_VERSION < 10

4
migration-exec.c
View File

@ -50,10 +50,6 @@ static int exec_close(MigrationState *s)
ret = qemu_fclose(s->opaque);
s->opaque = NULL;
s->fd = -1;
if (ret >= 0 && !(WIFEXITED(ret) && WEXITSTATUS(ret) == 0)) {
/* close succeeded, but non-zero exit code: */
ret = -EIO; /* fake errno value */
}
return ret;
}

3
savevm.c
View File

@ -247,6 +247,9 @@ static int stdio_pclose(void *opaque)
ret = pclose(s->stdio_file);
if (ret == -1) {
ret = -errno;
} else if (!WIFEXITED(ret) || WEXITSTATUS(ret) != 0) {
/* close succeeded, but non-zero exit code: */
ret = -EIO; /* fake errno value */
}
g_free(s);
return ret;