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Searched refs:pidfd (Results 1 – 25 of 37) sorted by relevance

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/linux/tools/testing/selftests/pidfd/
A Dpidfd_wait.c42 int pidfd = -1, status = 0; in TEST() local
46 .pidfd = ptr_to_u64(&pidfd), in TEST()
57 ASSERT_GE(pidfd, 0); in TEST()
61 EXPECT_EQ(close(pidfd), 0); in TEST()
62 pidfd = -1; in TEST()
65 ASSERT_GE(pidfd, 0); in TEST()
70 pidfd = -1; in TEST()
95 .pidfd = ptr_to_u64(&pidfd), in TEST()
143 int pidfd, status = 0; in TEST() local
162 EXPECT_GE(pidfd, 0) { in TEST()
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A Dpidfd_test.c59 int pidfd, ret; in test_pidfd_send_signal_simple_success() local
70 if (pidfd < 0) in test_pidfd_send_signal_simple_success()
78 close(pidfd); in test_pidfd_send_signal_simple_success()
120 if (pidfd < 0) in test_pidfd_send_signal_exited_fail()
127 close(pidfd); in test_pidfd_send_signal_exited_fail()
235 close(pidfd); in test_pidfd_send_signal_recycled_pid_fail()
239 if (pidfd < 0) in test_pidfd_send_signal_recycled_pid_fail()
356 if (pidfd < 0) in test_pidfd_send_signal_syscall_support()
374 close(pidfd); in test_pidfd_send_signal_syscall_support()
471 close(pidfd); in test_pidfd_poll_exec()
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A Dpidfd_open_test.c95 snprintf(path, sizeof(path), "/proc/self/fdinfo/%d", pidfd); in get_pid_from_fdinfo_file()
123 int pidfd = -1, ret = 1; in main() local
128 pidfd = sys_pidfd_open(-1, 0); in main()
129 if (pidfd >= 0) { in main()
137 pidfd = sys_pidfd_open(getpid(), 1); in main()
138 if (pidfd >= 0) { in main()
146 pidfd = sys_pidfd_open(getpid(), 0); in main()
147 if (pidfd < 0) { in main()
153 pid = get_pid_from_fdinfo_file(pidfd, "Pid:", sizeof("Pid:") - 1); in main()
159 if (pidfd >= 0) in main()
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A Dpidfd_poll_test.c48 int pidfd; in main() local
68 pidfd = sys_pidfd_open(child_pid, 0); in main()
69 if (pidfd < 0) in main()
80 if (sys_pidfd_send_signal(pidfd, SIGKILL, NULL, 0)) in main()
85 fds.fd = pidfd; in main()
106 close(pidfd); in main()
A Dpidfd_getfd_test.c126 int pidfd; in FIXTURE() local
155 self->pidfd = sys_pidfd_open(self->pid, 0); in FIXTURE_SETUP()
156 ASSERT_GE(self->pidfd, 0); in FIXTURE_SETUP()
168 EXPECT_EQ(0, close(self->pidfd)); in FIXTURE_TEARDOWN()
192 fd = sys_pidfd_getfd(self->pidfd, self->remote_fd, 0); in TEST_F()
204 fd = sys_pidfd_getfd(self->pidfd, self->remote_fd, 0); in TEST_F()
223 fd = sys_pidfd_getfd(self->pidfd, UNKNOWN_FD, 0); in TEST_F()
A Dpidfd.h95 static inline int sys_pidfd_send_signal(int pidfd, int sig, siginfo_t *info, in sys_pidfd_send_signal() argument
98 return syscall(__NR_pidfd_send_signal, pidfd, sig, info, flags); in sys_pidfd_send_signal()
101 static inline int sys_pidfd_getfd(int pidfd, int fd, int flags) in sys_pidfd_getfd() argument
103 return syscall(__NR_pidfd_getfd, pidfd, fd, flags); in sys_pidfd_getfd()
A Dpidfd_fdinfo_test.c149 static int verify_fdinfo(int pidfd, struct error *err, const char *prefix, in verify_fdinfo() argument
166 snprintf(path, sizeof(path), "/proc/self/fdinfo/%d", pidfd); in verify_fdinfo()
170 pidfd); in verify_fdinfo()
196 prefix, pidfd); in verify_fdinfo()
204 int pidfd; in child_fdinfo_nspid_test() local
228 pidfd = *(int *)args; in child_fdinfo_nspid_test()
229 r = verify_fdinfo(pidfd, &err, "NSpid:", 6, "\t0\n"); in child_fdinfo_nspid_test()
A Dpidfd_setns_test.c55 int pidfd; in FIXTURE() local
75 pid_t create_child(int *pidfd, unsigned flags) in create_child() argument
80 .pidfd = ptr_to_u64(pidfd), in create_child()
153 self->pidfd = sys_pidfd_open(self->pid, 0); in FIXTURE_SETUP()
154 EXPECT_GT(self->pidfd, 0) { in FIXTURE_SETUP()
168 self->pidfd = sys_pidfd_open(self->pid, 0); in FIXTURE_SETUP()
169 EXPECT_GE(self->pidfd, 0) { in FIXTURE_SETUP()
345 ASSERT_NE(setns(self->pidfd, 0), 0); in TEST_F()
348 ASSERT_NE(setns(self->pidfd, -1), 0); in TEST_F()
351 ASSERT_NE(setns(self->pidfd, CLONE_VM), 0); in TEST_F()
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/linux/samples/pidfd/
A Dpidfd-metadata.c34 static pid_t pidfd_clone(int flags, int *pidfd) in pidfd_clone() argument
40 return __clone2(do_child, stack, stack_size, flags | SIGCHLD, NULL, pidfd); in pidfd_clone()
42 return clone(do_child, stack + stack_size, flags | SIGCHLD, NULL, pidfd); in pidfd_clone()
49 return syscall(__NR_pidfd_send_signal, pidfd, sig, info, flags); in sys_pidfd_send_signal()
52 static int pidfd_metadata_fd(pid_t pid, int pidfd) in pidfd_metadata_fd() argument
68 ret = sys_pidfd_send_signal(pidfd, 0, NULL, 0); in pidfd_metadata_fd()
86 int pidfd = -1, ret = EXIT_FAILURE; in main() local
92 pid = pidfd_clone(CLONE_PIDFD, &pidfd); in main()
95 if (pidfd == -1) { in main()
100 procfd = pidfd_metadata_fd(pid, pidfd); in main()
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A D.gitignore2 /pidfd-metadata
A DMakefile2 usertprogs-always-y += pidfd-metadata
/linux/tools/testing/selftests/pid_namespace/
A DMakefile8 $(OUTPUT)/regression_enomem: regression_enomem.c ../pidfd/pidfd.h
/linux/tools/testing/selftests/cgroup/
A DMakefile20 $(OUTPUT)/test_kill: cgroup_util.c ../clone3/clone3_selftests.h ../pidfd/pidfd.h
/linux/fs/notify/fanotify/
A Dfanotify_user.c452 static int copy_pidfd_info_to_user(int pidfd, in copy_pidfd_info_to_user() argument
464 info.pidfd = pidfd; in copy_pidfd_info_to_user()
474 unsigned int info_mode, int pidfd, in copy_info_records_to_user() argument
551 ret = copy_pidfd_info_to_user(pidfd, buf, count); in copy_info_records_to_user()
582 int ret, pidfd = FAN_NOPIDFD, fd = FAN_NOFD; in copy_event_to_user() local
634 pidfd = FAN_NOPIDFD; in copy_event_to_user()
636 pidfd = pidfd_create(event->pid, 0); in copy_event_to_user()
637 if (pidfd < 0) in copy_event_to_user()
638 pidfd = FAN_EPIDFD; in copy_event_to_user()
677 if (pidfd >= 0) in copy_event_to_user()
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/linux/arch/sparc/kernel/
A Dprocess.c80 args.pidfd = compat_ptr(regs->u_regs[UREG_I2]); in sparc_clone()
86 args.pidfd = (int __user *)regs->u_regs[UREG_I2]; in sparc_clone()
/linux/kernel/
A Dpid.c559 struct task_struct *pidfd_get_task(int pidfd, unsigned int *flags) in pidfd_get_task() argument
565 pid = pidfd_get_pid(pidfd, &f_flags); in pidfd_get_task()
723 SYSCALL_DEFINE3(pidfd_getfd, int, pidfd, int, fd, in SYSCALL_DEFINE3() argument
734 f = fdget(pidfd); in SYSCALL_DEFINE3()
A Dfork.c1933 int pidfd = -1, retval; in copy_process() local
2225 pidfd = retval; in copy_process()
2230 put_unused_fd(pidfd); in copy_process()
2236 retval = put_user(pidfd, args->pidfd); in copy_process()
2355 fd_install(pidfd, pidfile); in copy_process()
2425 put_unused_fd(pidfd); in copy_process()
2561 (args->pidfd == args->parent_tid)) in kernel_clone()
2691 .pidfd = parent_tidptr, in SYSCALL_DEFINE5()
2753 .pidfd = u64_to_user_ptr(args.pidfd), in copy_clone_args_from_user()
/linux/tools/testing/selftests/clone3/
A Dclone3_selftests.h28 __aligned_u64 pidfd; member
/linux/tools/include/uapi/linux/
A Dsched.h94 __aligned_u64 pidfd; member
/linux/include/uapi/linux/
A Dsched.h94 __aligned_u64 pidfd; member
A Dfanotify.h161 __s32 pidfd; member
/linux/samples/
A DMakefile17 subdir-$(CONFIG_SAMPLE_PIDFD) += pidfd
/linux/arch/h8300/kernel/
A Dprocess.c166 kargs.pidfd = (int __user *)parent_tidptr; in sys_clone()
/linux/include/linux/sched/
A Dtask.h23 int __user *pidfd; member
/linux/include/linux/
A Dpid.h81 struct task_struct *pidfd_get_task(int pidfd, unsigned int *flags);

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