78 #endif
79 }
80
81
82 // On Bsd, reservations are made on a page by page basis, nothing to do.
83 inline void os::pd_split_reserved_memory(char *base, size_t size,
84 size_t split, bool realloc) {
85 }
86
87
88 // Bang the shadow pages if they need to be touched to be mapped.
89 inline void os::bang_stack_shadow_pages() {
90 }
91
92 inline void os::dll_unload(void *lib) {
93 ::dlclose(lib);
94 }
95
96 inline const int os::default_file_open_flags() { return 0;}
97
98 inline DIR* os::opendir(const char* dirname)
99 {
100 assert(dirname != NULL, "just checking");
101 return ::opendir(dirname);
102 }
103
104 inline int os::readdir_buf_size(const char *path)
105 {
106 return NAME_MAX + sizeof(dirent) + 1;
107 }
108
109 inline jlong os::lseek(int fd, jlong offset, int whence) {
110 return (jlong) ::lseek(fd, offset, whence);
111 }
112
113 inline int os::fsync(int fd) {
114 return ::fsync(fd);
115 }
116
117 inline char* os::native_path(char *path) {
118 return path;
119 }
120
121 inline int os::ftruncate(int fd, jlong length) {
122 return ::ftruncate(fd, length);
123 }
124
125 inline struct dirent* os::readdir(DIR* dirp, dirent *dbuf)
126 {
127 dirent* p;
128 int status;
129 assert(dirp != NULL, "just checking");
130
131 // NOTE: Bsd readdir_r (on RH 6.2 and 7.2 at least) is NOT like the POSIX
132 // version. Here is the doc for this function:
133 // http://www.gnu.org/manual/glibc-2.2.3/html_node/libc_262.html
134
135 if((status = ::readdir_r(dirp, dbuf, &p)) != 0) {
136 errno = status;
137 return NULL;
138 } else
139 return p;
140 }
141
142 inline int os::closedir(DIR *dirp) {
143 assert(dirp != NULL, "argument is NULL");
144 return ::closedir(dirp);
145 }
146
147 // macros for restartable system calls
148
149 #define RESTARTABLE(_cmd, _result) do { \
150 _result = _cmd; \
151 } while(((int)_result == OS_ERR) && (errno == EINTR))
152
153 #define RESTARTABLE_RETURN_INT(_cmd) do { \
154 int _result; \
155 RESTARTABLE(_cmd, _result); \
156 return _result; \
157 } while(false)
158
159 inline bool os::numa_has_static_binding() { return true; }
160 inline bool os::numa_has_group_homing() { return false; }
161
162 inline size_t os::restartable_read(int fd, void *buf, unsigned int nBytes) {
163 size_t res;
164 RESTARTABLE( (size_t) ::read(fd, buf, (size_t) nBytes), res);
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78 #endif
79 }
80
81
82 // On Bsd, reservations are made on a page by page basis, nothing to do.
83 inline void os::pd_split_reserved_memory(char *base, size_t size,
84 size_t split, bool realloc) {
85 }
86
87
88 // Bang the shadow pages if they need to be touched to be mapped.
89 inline void os::bang_stack_shadow_pages() {
90 }
91
92 inline void os::dll_unload(void *lib) {
93 ::dlclose(lib);
94 }
95
96 inline const int os::default_file_open_flags() { return 0;}
97
98 inline jlong os::lseek(int fd, jlong offset, int whence) {
99 return (jlong) ::lseek(fd, offset, whence);
100 }
101
102 inline int os::fsync(int fd) {
103 return ::fsync(fd);
104 }
105
106 inline char* os::native_path(char *path) {
107 return path;
108 }
109
110 inline int os::ftruncate(int fd, jlong length) {
111 return ::ftruncate(fd, length);
112 }
113
114 // macros for restartable system calls
115
116 #define RESTARTABLE(_cmd, _result) do { \
117 _result = _cmd; \
118 } while(((int)_result == OS_ERR) && (errno == EINTR))
119
120 #define RESTARTABLE_RETURN_INT(_cmd) do { \
121 int _result; \
122 RESTARTABLE(_cmd, _result); \
123 return _result; \
124 } while(false)
125
126 inline bool os::numa_has_static_binding() { return true; }
127 inline bool os::numa_has_group_homing() { return false; }
128
129 inline size_t os::restartable_read(int fd, void *buf, unsigned int nBytes) {
130 size_t res;
131 RESTARTABLE( (size_t) ::read(fd, buf, (size_t) nBytes), res);
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