X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Fcommon%2Fkernel-ctl%2Fkernel-ctl.h;h=d9e6c54a4a408313e35c660fccc62476987d87b2;hb=6c1c0768320135c6936c371b09731851b508c023;hp=a20c689971615f86d907f5d8402b213ac10edd09;hpb=d02666a971a38c0b088ae1570731646d5d663ce4;p=lttng-tools.git diff --git a/src/common/kernel-ctl/kernel-ctl.h b/src/common/kernel-ctl/kernel-ctl.h index a20c68997..d9e6c54a4 100644 --- a/src/common/kernel-ctl/kernel-ctl.h +++ b/src/common/kernel-ctl/kernel-ctl.h @@ -38,12 +38,27 @@ int kernctl_stop_session(int fd); int kernctl_tracepoint_list(int fd); int kernctl_syscall_list(int fd); int kernctl_tracer_version(int fd, struct lttng_kernel_tracer_version *v); +int kernctl_tracer_abi_version(int fd, struct lttng_kernel_tracer_abi_version *v); int kernctl_wait_quiescent(int fd); int kernctl_calibrate(int fd, struct lttng_kernel_calibrate *calibrate); int kernctl_enable_syscall(int fd, const char *syscall_name); int kernctl_disable_syscall(int fd, const char *syscall_name); +/* + * kernctl_syscall_mask - Get syscall mask associated to a channel FD. + * + * The parameter @syscall_mask should initially be either NULL or point + * to memory allocated with malloc(3) or realloc(3). When the function + * returns, it will point to a memory area of the size required for the + * bitmask (using realloc(3) to resize the memory). + * + * It returns 0 if OK, -1 on error. In all cases (error and OK), + * @syscall_mask should be freed by the caller with free(3). + */ +int kernctl_syscall_mask(int fd, char **syscall_mask, + uint32_t *nr_bits); + /* Buffer operations */ /* For mmap mode, readable without "get" operation */