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Diffstat (limited to 'ACE/ace/OS_NS_sys_wait.inl')
-rw-r--r--ACE/ace/OS_NS_sys_wait.inl103
1 files changed, 103 insertions, 0 deletions
diff --git a/ACE/ace/OS_NS_sys_wait.inl b/ACE/ace/OS_NS_sys_wait.inl
new file mode 100644
index 00000000000..969a9b7a5fc
--- /dev/null
+++ b/ACE/ace/OS_NS_sys_wait.inl
@@ -0,0 +1,103 @@
+// -*- C++ -*-
+//
+// $Id$
+
+#include "ace/OS_NS_errno.h"
+#include "ace/Global_Macros.h"
+
+ACE_BEGIN_VERSIONED_NAMESPACE_DECL
+
+ACE_INLINE pid_t
+ACE_OS::wait (int *status)
+{
+ ACE_OS_TRACE ("ACE_OS::wait");
+#if defined (ACE_LACKS_WAIT)
+ ACE_UNUSED_ARG (status);
+ ACE_NOTSUP_RETURN (0);
+#else
+ ACE_OSCALL_RETURN (::wait (status), pid_t, -1);
+#endif /* ACE_LACKS_WAIT */
+}
+
+ACE_INLINE pid_t
+ACE_OS::waitpid (pid_t pid,
+ ACE_exitcode *status,
+ int wait_options,
+ ACE_HANDLE handle)
+{
+ ACE_OS_TRACE ("ACE_OS::waitpid");
+#if defined (ACE_LACKS_WAITPID)
+ ACE_UNUSED_ARG (pid);
+ ACE_UNUSED_ARG (status);
+ ACE_UNUSED_ARG (wait_options);
+ ACE_UNUSED_ARG (handle);
+
+ ACE_NOTSUP_RETURN (0);
+#elif defined (ACE_WIN32)
+ int blocking_period = ACE_BIT_ENABLED (wait_options, WNOHANG)
+ ? 0 /* don't hang */
+ : INFINITE;
+
+ ACE_HANDLE phandle = handle;
+
+ if (phandle == 0)
+ {
+ phandle = ::OpenProcess (SYNCHRONIZE,
+ FALSE,
+ pid);
+
+ if (phandle == 0)
+ {
+ ACE_OS::set_errno_to_last_error ();
+ return -1;
+ }
+ }
+
+ pid_t result = pid;
+
+ // Don't try to get the process exit status if wait failed so we can
+ // keep the original error code intact.
+ switch (::WaitForSingleObject (phandle, blocking_period))
+ {
+ case WAIT_OBJECT_0:
+ if (status != 0)
+ // The error status of <GetExitCodeProcess> is nonetheless
+ // not tested because we don't know how to return the value.
+ ::GetExitCodeProcess (phandle, status);
+ break;
+ case WAIT_TIMEOUT:
+ errno = ETIME;
+ result = 0;
+ break;
+ default:
+ ACE_OS::set_errno_to_last_error ();
+ result = -1;
+ }
+ if (handle == 0)
+ ::CloseHandle (phandle);
+ return result;
+#elif defined(ACE_TANDEM_T1248_PTHREADS)
+ ACE_UNUSED_ARG (handle);
+ ACE_OSCALL_RETURN (::spt_waitpid (pid, status, wait_options),
+ pid_t, -1);
+#else
+ ACE_UNUSED_ARG (handle);
+ ACE_OSCALL_RETURN (::waitpid (pid, status, wait_options),
+ pid_t, -1);
+#endif /* ACE_LACKS_WAITPID */
+}
+
+ACE_INLINE pid_t
+ACE_OS::wait (pid_t pid,
+ ACE_exitcode *status,
+ int wait_options,
+ ACE_HANDLE handle)
+{
+ ACE_OS_TRACE ("ACE_OS::wait");
+ return ACE_OS::waitpid (pid,
+ status,
+ wait_options,
+ handle);
+}
+
+ACE_END_VERSIONED_NAMESPACE_DECL