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Diffstat (limited to 'winsup/cygwin/sigproc.cc')
-rw-r--r--winsup/cygwin/sigproc.cc39
1 files changed, 29 insertions, 10 deletions
diff --git a/winsup/cygwin/sigproc.cc b/winsup/cygwin/sigproc.cc
index fd4f295..b14fbac 100644
--- a/winsup/cygwin/sigproc.cc
+++ b/winsup/cygwin/sigproc.cc
@@ -17,6 +17,7 @@ details. */
#include <stdlib.h>
#include <sys/cygwin.h>
#include <assert.h>
+#include <sys/signal.h>
#include "cygerrno.h"
#include "sync.h"
#include "sigproc.h"
@@ -48,12 +49,35 @@ details. */
#define NZOMBIES 256
-LONG local_sigtodo[TOTSIGS];
-inline LONG* getlocal_sigtodo (int sig)
+static LONG local_sigtodo[TOTSIGS];
+struct sigaction *global_sigs;
+
+inline LONG *
+getlocal_sigtodo (int sig)
{
return local_sigtodo + __SIGOFFSET + sig;
}
+void __stdcall
+sigalloc ()
+{
+ cygheap->sigs = global_sigs =
+ (struct sigaction *) ccalloc (HEAP_SIGS, NSIG, sizeof (struct sigaction));
+}
+
+void __stdcall
+signal_fixup_after_exec ()
+{
+ global_sigs = cygheap->sigs;
+ /* Set up child's signal handlers */
+ for (int i = 0; i < NSIG; i++)
+ {
+ myself->getsig (i).sa_mask = 0;
+ if (myself->getsig (i).sa_handler != SIG_IGN)
+ myself->getsig (i).sa_handler = SIG_DFL;
+ }
+}
+
/*
* Global variables
*/
@@ -300,7 +324,6 @@ proc_subproc (DWORD what, DWORD val)
vchild->sid = myself->sid;
vchild->ctty = myself->ctty;
vchild->process_state |= PID_INITIALIZING | (myself->process_state & PID_USETTY);
- vchild->copysigs (myself);
sigproc_printf ("added pid %d to wait list, slot %d, winpid %p, handle %p",
vchild->pid, nchildren, vchild->dwProcessId,
@@ -540,12 +563,11 @@ sig_dispatch_pending ()
sigframe thisframe (mainthread);
- int was_pending = pending_signals;
#ifdef DEBUGGING
- sigproc_printf ("pending_signals %d", was_pending);
+ sigproc_printf ("pending_signals %d", pending_signals);
#endif
- if (!was_pending)
+ if (!pending_signals)
#ifdef DEBUGGING
sigproc_printf ("no need to wake anything up");
#else
@@ -559,10 +581,7 @@ sig_dispatch_pending ()
#endif
}
- if (was_pending)
- thisframe.call_signal_handler ();
-
- return was_pending;
+ return thisframe.call_signal_handler ();
}
/* Message initialization. Called from dll_crt0_1