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| 1 | #ifndef _HURD_PORT_H |
|---|---|
| 2 | #include_next <hurd/port.h> |
| 3 | |
| 4 | #ifndef _ISOMAC |
| 5 | #include <libc-lock.h> |
| 6 | |
| 7 | struct _hurd_port_use_data |
| 8 | { |
| 9 | struct hurd_port *p; |
| 10 | struct hurd_userlink link; |
| 11 | mach_port_t port; |
| 12 | }; |
| 13 | |
| 14 | extern void _hurd_port_use_cleanup (void *arg); |
| 15 | |
| 16 | /* Like HURD_PORT_USE, but cleans fd on cancel. */ |
| 17 | #define HURD_PORT_USE_CANCEL(portcell, expr) \ |
| 18 | ({ struct _hurd_port_use_data __d; \ |
| 19 | mach_port_t port; \ |
| 20 | __typeof(expr) __result; \ |
| 21 | void *__crit; \ |
| 22 | __d.p = (portcell); \ |
| 23 | __crit = _hurd_critical_section_lock (); \ |
| 24 | __d.port = port = _hurd_port_get (__d.p, &__d.link); \ |
| 25 | __libc_cleanup_push (_hurd_port_use_cleanup, &__d); \ |
| 26 | _hurd_critical_section_unlock (__crit); \ |
| 27 | __result = (expr); \ |
| 28 | __libc_cleanup_pop (1); \ |
| 29 | __result; }) |
| 30 | |
| 31 | libc_hidden_proto (_hurd_port_locked_get) |
| 32 | libc_hidden_proto (_hurd_port_locked_set) |
| 33 | #ifdef _HURD_PORT_H_HIDDEN_DEF |
| 34 | libc_hidden_def (_hurd_port_locked_get) |
| 35 | libc_hidden_def (_hurd_port_locked_set) |
| 36 | #endif |
| 37 | #endif |
| 38 | #endif |
| 39 |
Warning: This file is not a C or C++ file. It does not have highlighting.