diff options
Diffstat (limited to 'gcc/ada/adaint.c')
| -rw-r--r-- | gcc/ada/adaint.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/gcc/ada/adaint.c b/gcc/ada/adaint.c index 7e701f53c14..dde33429575 100644 --- a/gcc/ada/adaint.c +++ b/gcc/ada/adaint.c @@ -2449,6 +2449,14 @@ __gnat_dup2 (int oldfd, int newfd) /* Not supported on VxWorks 5.x, but supported on VxWorks 6.0 when using RTPs. */ return -1; +#elif defined (_WIN32) + /* Special case when oldfd and newfd are identical and are the standard + input, output or error as this makes Windows XP hangs. Note that we + do that only for standard file descriptors that are known to be valid. */ + if (oldfd == newfd && newfd >= 0 && newfd <= 2) + return newfd; + else + return dup2 (oldfd, newfd); #else return dup2 (oldfd, newfd); #endif |