diff options
Diffstat (limited to 'gdb/common/filestuff.c')
| -rw-r--r-- | gdb/common/filestuff.c | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/gdb/common/filestuff.c b/gdb/common/filestuff.c index d3b13e8..4032f36 100644 --- a/gdb/common/filestuff.c +++ b/gdb/common/filestuff.c @@ -310,16 +310,16 @@ gdb_open_cloexec (const char *filename, int flags, unsigned long mode) FILE * gdb_fopen_cloexec (const char *filename, const char *opentype) { - FILE *result = NULL; + FILE *result; /* Probe for "e" support once. But, if we can tell the operating system doesn't know about close on exec mode "e" without probing, skip it. E.g., the Windows runtime issues an "Invalid parameter passed to C runtime function" OutputDebugString warning for unknown modes. Assume that if O_CLOEXEC is zero, then "e" isn't supported. */ - static int fopen_e_ever_failed = O_CLOEXEC == 0; + static int fopen_e_ever_failed_einval = O_CLOEXEC == 0; - if (!fopen_e_ever_failed) + if (!fopen_e_ever_failed_einval) { char *copy; @@ -329,15 +329,16 @@ gdb_fopen_cloexec (const char *filename, const char *opentype) this path. */ strcat (copy, "e"); result = fopen (filename, copy); - } - if (result == NULL) - { - /* Fallback. */ - result = fopen (filename, opentype); - if (result != NULL) - fopen_e_ever_failed = 1; + if (result == NULL && errno == EINVAL) + { + result = fopen (filename, opentype); + if (result != NULL) + fopen_e_ever_failed_einval = 1; + } } + else + result = fopen (filename, opentype); if (result != NULL) maybe_mark_cloexec (fileno (result)); |