re PR libgcj/31228 (Race condition between setting close-on-exec and Runtime.exec())

[gcc.git] / libjava / include / posix.h

diff --git a/libjava/include/posix.h b/libjava/include/posix.h
index ad937536a8e356f42770ed653795abb7d69578f6..5f522a3804aff679fe521598cfc90444e22e1281 100644 (file)
--- a/libjava/include/posix.h
+++ b/libjava/include/posix.h
@@ -1,6 +1,6 @@
 // posix.h -- Helper functions for POSIX-flavored OSs.
 
-/* Copyright (C) 2000, 2002, 2003  Free Software Foundation
+/* Copyright (C) 2000, 2002, 2003, 2006  Free Software Foundation
 
    This file is part of libgcj.
 
@@ -37,17 +37,45 @@ details.  */
 
 #include <fcntl.h>
 
+/* The header file <sys/rw_lock.h> needs to be included before javaprims.h
+   on HP-UX 11 to avoid a compilation error.  */
+#ifdef HAVE_SYS_RW_LOCK_H
+#include <sys/rw_lock.h>
+#endif
+
 #include <gcj/cni.h>
 #include <java/util/Properties.h>
 
 // Prefix and suffix for shared libraries.
 #define _Jv_platform_solib_prefix "lib"
-#if defined(__APPLE__) && defined(__MACH__) && defined(__ppc__)
+#if defined(__APPLE__) && defined(__MACH__)
 #define _Jv_platform_solib_suffix ".dylib"
+#elif defined(HPUX) && defined(HP_PA)
+#define _Jv_platform_solib_suffix ".sl"
 #else
 #define _Jv_platform_solib_suffix ".so"
 #endif
 
+// Some POSIX systems don't have O_SYNC and O_DYSNC so we define them here.
+// Needed in java/io/natFileDescriptorPosix.cc.
+#if !defined (O_SYNC) && defined (O_FSYNC)
+#define O_SYNC O_FSYNC
+#endif
+#if !defined (O_DSYNC) && defined (O_FSYNC)
+#define O_DSYNC O_FSYNC
+#endif
+// If O_DSYNC is still not defined, use O_SYNC (needed for newlib)
+#if !defined (O_DSYNC) 
+#define O_DSYNC O_SYNC
+#endif
+
+// Name of the Process implementation.
+#ifdef ECOS
+#define _Jv_platform_process ::java::lang::EcosProcess
+#else
+#define _Jv_platform_process ::java::lang::PosixProcess
+#endif
+
 // Separator for file name components.
 #define _Jv_platform_file_separator ((jchar) '/')
 // Separator for path components.
@@ -66,19 +94,15 @@ details.  */
 
 extern int _Jv_select (int n, fd_set *, fd_set *, fd_set *, struct timeval *);
 extern jlong _Jv_platform_gettimeofday ();
+extern jlong _Jv_platform_nanotime ();
 extern void _Jv_platform_initialize (void);
 extern void _Jv_platform_initProperties (java::util::Properties*);
 
-inline void
-_Jv_platform_close_on_exec (jint fd)
-{
-  // Ignore errors.
-  ::fcntl (fd, F_SETFD, FD_CLOEXEC);
-}
-
-#undef fcntl
-
 #ifdef JV_HASH_SYNCHRONIZATION
+#ifndef HAVE_USLEEP_DECL
+extern "C" int usleep (useconds_t useconds);
+#endif /* not HAVE_USLEEP_DECL */
+
 inline void
 _Jv_platform_usleep (unsigned long usecs)
 {
@@ -161,4 +185,18 @@ _Jv_read(int s, void *buf, int len)
 
 #endif /* DISABLE_JAVA_NET */
 
+// Wraps ::pipe
+static inline int
+_Jv_pipe (int filedes[2])
+{
+  return ::pipe (filedes);
+}
+
+// Forward declaration.  See java-stack.h for definition.
+struct _Jv_AddrInfo;
+
+// Given an address, determine the executable or shared object that defines
+// it and the nearest named symbol.
+extern int _Jv_platform_dladdr (void *addr, _Jv_AddrInfo *info);
+
 #endif /* __JV_POSIX_H__ */