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| author | Corinna Vinschen <vinschen@redhat.com> | 2007-12-11 15:35:26 +0000 |
|---|---|---|
| committer | Corinna Vinschen <vinschen@redhat.com> | 2007-12-11 15:35:26 +0000 |
| commit | f8154f6cb6c20bafe85aeea8d46a3268a6049934 (patch) | |
| tree | da81c01a76d5a5031b2989d9b2b0e407c1410f85 | |
| parent | 48fc273b5341b5e8cbb0f9b0ef62d22c743f0bf0 (diff) | |
| download | gdb-f8154f6cb6c20bafe85aeea8d46a3268a6049934.tar.gz | |
* cygheap.cc (_csbrk): Don't request zero bytes from VirtualAlloc,
as windows treats that as an invalid parameter and returns an error.
| -rw-r--r-- | winsup/cygwin/ChangeLog | 5 | ||||
| -rw-r--r-- | winsup/cygwin/cygheap.cc | 2 |
2 files changed, 6 insertions, 1 deletions
diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog index 90ff469e572..4cf3f783edb 100644 --- a/winsup/cygwin/ChangeLog +++ b/winsup/cygwin/ChangeLog @@ -1,3 +1,8 @@ +2007-12-11 Dave Korn <dave.korn@artimi.com> + + * cygheap.cc (_csbrk): Don't request zero bytes from VirtualAlloc, + as windows treats that as an invalid parameter and returns an error. + 2007-12-11 Corinna Vinschen <corinna@vinschen.de> * localtime.cc (tzset): Call tzsetwall only if it hasn't been diff --git a/winsup/cygwin/cygheap.cc b/winsup/cygwin/cygheap.cc index 250f7d496f4..d7d1958be18 100644 --- a/winsup/cygwin/cygheap.cc +++ b/winsup/cygwin/cygheap.cc @@ -129,7 +129,7 @@ _csbrk (int sbs) newbase = _cygheap_end; DWORD adjsbs = allocsize ((char *) cygheap_max - newbase); - if (!VirtualAlloc (newbase, adjsbs, MEM_COMMIT | MEM_RESERVE, PAGE_READWRITE)) + if (adjsbs && !VirtualAlloc (newbase, adjsbs, MEM_COMMIT | MEM_RESERVE, PAGE_READWRITE)) { MEMORY_BASIC_INFORMATION m; if (!VirtualQuery (newbase, &m, sizeof m)) |