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* mmap.cc (mlock): Add standard syscall return value debugging output.

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(munlock): Ditto.
(posix_madvise): Ditto.
* signal.cc: Remove obsolete sigcatchers stuff throughout.
(sigaction_worker): Add function name parameter and use it to show standard
syscall return value debugging output.  Also add fault protection.
(sigaction): Accommodate extra argument to sigaction_worker.
(siginterrupt): Ditto.
* syscalls.cc (read): Remove obsolete sigcatchers stuff.
(readv): Ditto.
This commit is contained in:
Christopher Faylor
2011-12-03 23:55:21 +00:00
parent 6455755743
commit 69864e48cb
4 changed files with 92 additions and 87 deletions
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30
winsup/cygwin/mmap.cc
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@@ -1394,6 +1394,7 @@ mlock (const void *addr, size_t len)
}
while (status == STATUS_WORKING_SET_QUOTA);
syscall_printf ("%R = mlock(%p, %u)", ret, addr, len);
return ret;
}
@@ -1413,28 +1414,37 @@ munlock (const void *addr, size_t len)
else
ret = 0;
syscall_printf ("%R = munlock(%p, %u)", ret, addr, len);
return ret;
}
extern "C" int
posix_madvise (void *addr, size_t len, int advice)
{
int ret;
/* Check parameters. */
if (advice < POSIX_MADV_NORMAL || advice > POSIX_MADV_DONTNEED
|| !len)
return EINVAL;
/* Check requested memory area. */
MEMORY_BASIC_INFORMATION m;
char *p = (char *) addr;
char *endp = p + len;
while (p < endp)
ret = EINVAL;
else
{
if (!VirtualQuery (p, &m, sizeof m) || m.State == MEM_FREE)
return ENOMEM;
p = (char *) m.BaseAddress + m.RegionSize;
/* Check requested memory area. */
MEMORY_BASIC_INFORMATION m;
char *p = (char *) addr;
char *endp = p + len;
while (p < endp)
{
if (!VirtualQuery (p, &m, sizeof m) || m.State == MEM_FREE)
{
ret = ENOMEM;
break;
}
p = (char *) m.BaseAddress + m.RegionSize;
}
ret = 0;
}
syscall_printf ("%d = posix_madvise(%p, %u, %d)", ret, addr, len, advice);
/* Eventually do nothing. */
return 0;
}