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* exceptions.cc (call_handler): Make signal pending if sigsave.sig is still

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active.
* syscalls.cc (_read): Don't clear errno.
* sigproc.cc (wait_sig): Don't scan the waiting process list after a SIGCHLD if
there are no zombies to reap.
* winsup.h: Use __builtin_strcmp.
* environ.cc (posify): Don't initialize len unless it is required
(from DJ Delorie <dj@redhat.com>).
This commit is contained in:
Christopher Faylor
2000-10-18 04:53:37 +00:00
parent 3f7bd53115
commit ac944e37d0
6 changed files with 22 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
winsup/cygwin/ChangeLog
View File

@@ -1,3 +1,14 @@
Wed Oct 18 00:48:49 2000 Christopher Faylor <cgf@cygnus.com>
* exceptions.cc (call_handler): Make signal pending if sigsave.sig is
still active.
* syscalls.cc (_read): Don't clear errno.
* sigproc.cc (wait_sig): Don't scan the waiting process list after a
SIGCHLD if there are no zombies to reap.
* winsup.h: Use __builtin_strcmp.
* environ.cc (posify): Don't initialize len unless it is required
(from DJ Delorie <dj@redhat.com>).
Tue Oct 17 14:50:31 2000 Christopher Faylor <cgf@cygnus.com> Tue Oct 17 14:50:31 2000 Christopher Faylor <cgf@cygnus.com>
* sigproc.cc (proc_subproc): Remove unneeded test for correct process * sigproc.cc (proc_subproc): Remove unneeded test for correct process

3
winsup/cygwin/environ.cc
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@@ -113,11 +113,12 @@ posify (char **here, const char *value)
{ {
char *src = *here; char *src = *here;
win_env *conv; win_env *conv;
int len = strcspn (src, "=") + 1;
if (!(conv = getwinenv (src))) if (!(conv = getwinenv (src)))
return; return;
int len = strcspn (src, "=") + 1;
/* Turn all the items from c:<foo>;<bar> into their /* Turn all the items from c:<foo>;<bar> into their
mounted equivalents - if there is one. */ mounted equivalents - if there is one. */

5
winsup/cygwin/exceptions.cc
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@@ -216,7 +216,7 @@ public:
/* This is the main stack frame info for this process. */ /* This is the main stack frame info for this process. */
static NO_COPY stack_info thestack; static NO_COPY stack_info thestack;
signal_dispatch sigsave; static signal_dispatch sigsave;
/* Initialize everything needed to start iterating. */ /* Initialize everything needed to start iterating. */
void void
@@ -711,6 +711,9 @@ call_handler (int sig, struct sigaction& siga, void *handler)
mainthread.lock->acquire (); mainthread.lock->acquire ();
if (sigsave.sig)
goto set_pending;
if (mainthread.frame) if (mainthread.frame)
{ {
ebp = mainthread.frame; ebp = mainthread.frame;

2
winsup/cygwin/sigproc.cc
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@@ -1195,7 +1195,7 @@ wait_sig (VOID *)
continue; continue;
} }
if (saw_sigchld && !dispatched_sigchld) if (nzombies && saw_sigchld && !dispatched_sigchld)
proc_subproc (PROC_CLEARWAIT, 0); proc_subproc (PROC_CLEARWAIT, 0);
/* Signal completion of signal handling depending on which semaphore /* Signal completion of signal handling depending on which semaphore
* woke up the WaitForMultipleObjects above. * woke up the WaitForMultipleObjects above.

4
winsup/cygwin/syscalls.cc
View File

@@ -212,7 +212,7 @@ _read (int fd, void *ptr, size_t len)
return -1; return -1;
} }
set_sig_errno (0); // set_sig_errno (0);
fhandler_base *fh = fdtab[fd]; fhandler_base *fh = fdtab[fd];
DWORD wait = (fh->get_flags () & (O_NONBLOCK | OLD_O_NDELAY)) ? 0 : INFINITE; DWORD wait = (fh->get_flags () & (O_NONBLOCK | OLD_O_NDELAY)) ? 0 : INFINITE;
@@ -225,7 +225,7 @@ _read (int fd, void *ptr, size_t len)
else if (!fh->ready_for_read (fd, wait, 0)) else if (!fh->ready_for_read (fd, wait, 0))
{ {
if (!wait) if (!wait)
set_sig_errno (EAGAIN); set_sig_errno (EAGAIN); /* Don't really need 'set_sig_errno' here, but... */
else else
set_sig_errno (EINTR); set_sig_errno (EINTR);
res = -1; res = -1;

3
winsup/cygwin/winsup.h
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@@ -16,8 +16,9 @@ details. */
#ifdef __cplusplus #ifdef __cplusplus
#define alloca(x) __builtin_alloca (x) #define alloca __builtin_alloca
#define strlen __builtin_strlen #define strlen __builtin_strlen
#define strcmp __builtin_strcmp
#define strcpy __builtin_strcpy #define strcpy __builtin_strcpy
#define memcpy __builtin_memcpy #define memcpy __builtin_memcpy
#define memcmp __builtin_memcmp #define memcmp __builtin_memcmp