| 1 | |
| 2 | /* LTTng user-space tracing header |
| 3 | * |
| 4 | * Copyright 2006 Mathieu Desnoyers |
| 5 | * |
| 6 | */ |
| 7 | |
| 8 | #ifndef _LTTNG_USERTRACE_H |
| 9 | #define _LTTNG_USERTRACE_H |
| 10 | |
| 11 | #include <errno.h> |
| 12 | #include <syscall.h> |
| 13 | |
| 14 | //Put in asm-i486/unistd.h |
| 15 | #define __NR_ltt_update 294 |
| 16 | #define __NR_ltt_switch 295 |
| 17 | |
| 18 | #undef NR_syscalls |
| 19 | #define NR_syscalls 296 |
| 20 | |
| 21 | #ifndef _LIBC |
| 22 | // Put in bits/syscall.h |
| 23 | #define SYS_ltt_update __NR_ltt_update |
| 24 | #define SYS_ltt_switch __NR_ltt_switch |
| 25 | #endif |
| 26 | |
| 27 | void __lttng_sig_trace_handler(int signo); |
| 28 | |
| 29 | /* Call this at the beginning of a new thread, except for the main() */ |
| 30 | void lttng_thread_init(void); |
| 31 | |
| 32 | static inline _syscall1(int, ltt_switch, unsigned long, addr) |
| 33 | static inline _syscall3(int, ltt_update, unsigned long, addr, int *, active, int *, filter) |
| 34 | |
| 35 | #endif //_LTTNG_USERTRACE_H |