X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;ds=sidebyside;f=lttng-abi.c;h=d4c5ea0fc8938d1d31b6639357546b24a5d19ffa;hb=1de8b2e4c021031e72f0f91c1ac984eb8965079e;hp=ede2ae79bd7b15c45ec4ef3864a048cc85f2e006;hpb=33a39a3cd074931ab3a2eaff6eb8807091cf8172;p=lttng-modules.git diff --git a/lttng-abi.c b/lttng-abi.c index ede2ae79..d4c5ea0f 100644 --- a/lttng-abi.c +++ b/lttng-abi.c @@ -144,6 +144,51 @@ fd_error: return ret; } +#ifndef CONFIG_HAVE_SYSCALL_TRACEPOINTS +static inline +int lttng_abi_syscall_list(void) +{ + return -ENOSYS; +} +#else +static +int lttng_abi_syscall_list(void) +{ + struct file *syscall_list_file; + int file_fd, ret; + + file_fd = lttng_get_unused_fd(); + if (file_fd < 0) { + ret = file_fd; + goto fd_error; + } + + syscall_list_file = anon_inode_getfile("[lttng_syscall_list]", + <tng_syscall_list_fops, + NULL, O_RDWR); + if (IS_ERR(syscall_list_file)) { + ret = PTR_ERR(syscall_list_file); + goto file_error; + } + ret = lttng_syscall_list_fops.open(NULL, syscall_list_file); + if (ret < 0) + goto open_error; + fd_install(file_fd, syscall_list_file); + if (file_fd < 0) { + ret = file_fd; + goto fd_error; + } + return file_fd; + +open_error: + fput(syscall_list_file); +file_error: + put_unused_fd(file_fd); +fd_error: + return ret; +} +#endif + static void lttng_abi_tracer_version(struct lttng_kernel_tracer_version *v) { @@ -1323,6 +1368,18 @@ long lttng_event_ioctl(struct file *file, unsigned int cmd, unsigned long arg) WARN_ON_ONCE(1); return -ENOSYS; } + case LTTNG_KERNEL_FILTER: + switch (*evtype) { + case LTTNG_TYPE_EVENT: + return -EINVAL; + case LTTNG_TYPE_ENABLER: + { + enabler = file->private_data; + return lttng_enabler_attach_bytecode(enabler, + (struct lttng_kernel_filter_bytecode __user *) arg); + } + + } default: return -ENOIOCTLCMD; }