72 }
73
74
75 // Bang the shadow pages if they need to be touched to be mapped.
76 inline void os::bang_stack_shadow_pages() {
77 }
78 inline void os::dll_unload(void *lib) { ::dlclose(lib); }
79
80 inline DIR* os::opendir(const char* dirname) {
81 assert(dirname != NULL, "just checking");
82 return ::opendir(dirname);
83 }
84
85 inline int os::readdir_buf_size(const char *path) {
86 int size = pathconf(path, _PC_NAME_MAX);
87 return (size < 0 ? MAXPATHLEN : size) + sizeof(dirent) + 1;
88 }
89
90 inline struct dirent* os::readdir(DIR* dirp, dirent* dbuf) {
91 assert(dirp != NULL, "just checking");
92 #if defined(_LP64) || defined(_GNU_SOURCE)
93 dirent* p;
94 int status;
95
96 if((status = ::readdir_r(dirp, dbuf, &p)) != 0) {
97 errno = status;
98 return NULL;
99 } else
100 return p;
101 #else // defined(_LP64) || defined(_GNU_SOURCE)
102 return ::readdir_r(dirp, dbuf);
103 #endif // defined(_LP64) || defined(_GNU_SOURCE)
104 }
105
106 inline int os::closedir(DIR *dirp) {
107 assert(dirp != NULL, "argument is NULL");
108 return ::closedir(dirp);
109 }
110
111 //////////////////////////////////////////////////////////////////////////////
112 ////////////////////////////////////////////////////////////////////////////////
113
114 // macros for interruptible io and system calls and system call restarting
115
116 #define _INTERRUPTIBLE(_setup, _cmd, _result, _thread, _clear, _before, _after, _int_enable) \
117 do { \
118 _setup; \
119 _before; \
120 OSThread* _osthread = _thread->osthread(); \
121 if (_int_enable && _thread->has_last_Java_frame()) { \
122 /* this is java interruptible io stuff */ \
123 if (os::is_interrupted(_thread, _clear)) { \
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72 }
73
74
75 // Bang the shadow pages if they need to be touched to be mapped.
76 inline void os::bang_stack_shadow_pages() {
77 }
78 inline void os::dll_unload(void *lib) { ::dlclose(lib); }
79
80 inline DIR* os::opendir(const char* dirname) {
81 assert(dirname != NULL, "just checking");
82 return ::opendir(dirname);
83 }
84
85 inline int os::readdir_buf_size(const char *path) {
86 int size = pathconf(path, _PC_NAME_MAX);
87 return (size < 0 ? MAXPATHLEN : size) + sizeof(dirent) + 1;
88 }
89
90 inline struct dirent* os::readdir(DIR* dirp, dirent* dbuf) {
91 assert(dirp != NULL, "just checking");
92 #if defined(_LP64) || defined(_GNU_SOURCE) || _FILE_OFFSET_BITS==64
93 dirent* p;
94 int status;
95
96 if((status = ::readdir_r(dirp, dbuf, &p)) != 0) {
97 errno = status;
98 return NULL;
99 } else
100 return p;
101 #else // defined(_LP64) || defined(_GNU_SOURCE) || _FILE_OFFSET_BITS==64
102 return ::readdir_r(dirp, dbuf);
103 #endif // defined(_LP64) || defined(_GNU_SOURCE) || _FILE_OFFSET_BITS==64
104 }
105
106 inline int os::closedir(DIR *dirp) {
107 assert(dirp != NULL, "argument is NULL");
108 return ::closedir(dirp);
109 }
110
111 //////////////////////////////////////////////////////////////////////////////
112 ////////////////////////////////////////////////////////////////////////////////
113
114 // macros for interruptible io and system calls and system call restarting
115
116 #define _INTERRUPTIBLE(_setup, _cmd, _result, _thread, _clear, _before, _after, _int_enable) \
117 do { \
118 _setup; \
119 _before; \
120 OSThread* _osthread = _thread->osthread(); \
121 if (_int_enable && _thread->has_last_Java_frame()) { \
122 /* this is java interruptible io stuff */ \
123 if (os::is_interrupted(_thread, _clear)) { \
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