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/kernel/linux/linux-6.6/tools/perf/bench/
H A Dsyscall.c40 pid_t pid = fork(); in test_fork() local
42 if (pid < 0) { in test_fork()
45 } else if (pid == 0) { in test_fork()
48 if (waitpid(pid, NULL, 0) < 0) { in test_fork()
59 pid_t pid = fork(); in test_execve() local
61 if (pid < 0) { in test_execve()
64 } else if (pid == 0) { in test_execve()
69 if (waitpid(pid, NULL, 0) < 0) { in test_execve()
/kernel/linux/linux-6.6/scripts/gdb/linux/
H A Dtasks.py42 def get_task_by_pid(pid):
44 if int(task['pid']) == pid:
58 def invoke(self, pid):
59 task = get_task_by_pid(pid)
63 raise gdb.GdbError("No task of PID " + str(pid))
80 task["pid"].format_string(),
124 """Calculate Linux thread_info from task variable found by pid
132 def invoke(self, pid):
133 task = get_task_by_pid(pid)
[all...]
/kernel/linux/linux-6.6/tools/testing/selftests/arm64/mte/
H A Dcheck_gcr_el1_cswitch.c30 pid_t pid = *((pid_t *)x); in execute_thread() local
37 srand(time(NULL) ^ (pid << 16) ^ (tid << 16)); in execute_thread()
69 int execute_test(pid_t pid) in execute_test() argument
76 execute_thread, (void *)&pid); in execute_test()
90 pid_t pid; in mte_gcr_fork_test() local
96 pid = fork(); in mte_gcr_fork_test()
98 if (pid < 0) in mte_gcr_fork_test()
101 if (pid == 0) { in mte_gcr_fork_test()
/kernel/linux/linux-6.6/tools/testing/selftests/powerpc/ptrace/
H A Dptrace-tm-spd-vsx.c128 pid_t pid; in ptrace_tm_spd_vsx() local
142 pid = fork(); in ptrace_tm_spd_vsx()
143 if (pid < 0) { in ptrace_tm_spd_vsx()
148 if (pid == 0) in ptrace_tm_spd_vsx()
151 if (pid) { in ptrace_tm_spd_vsx()
156 ret = trace_tm_spd_vsx(pid); in ptrace_tm_spd_vsx()
158 kill(pid, SIGKILL); in ptrace_tm_spd_vsx()
167 if (ret != pid) { in ptrace_tm_spd_vsx()
H A Dptrace-tm-spd-gpr.c118 pid_t pid; in ptrace_tm_spd_gpr() local
124 pid = fork(); in ptrace_tm_spd_gpr()
125 if (pid < 0) { in ptrace_tm_spd_gpr()
130 if (pid == 0) in ptrace_tm_spd_gpr()
133 if (pid) { in ptrace_tm_spd_gpr()
140 ret = trace_tm_spd_gpr(pid); in ptrace_tm_spd_gpr()
142 kill(pid, SIGTERM); in ptrace_tm_spd_gpr()
152 if (ret != pid) { in ptrace_tm_spd_gpr()
H A Dptrace-tm-gpr.c112 pid_t pid; in ptrace_tm_gpr() local
118 pid = fork(); in ptrace_tm_gpr()
119 if (pid < 0) { in ptrace_tm_gpr()
123 if (pid == 0) in ptrace_tm_gpr()
126 if (pid) { in ptrace_tm_gpr()
131 ret = trace_tm_gpr(pid); in ptrace_tm_gpr()
133 kill(pid, SIGTERM); in ptrace_tm_gpr()
141 if (ret != pid) { in ptrace_tm_gpr()
H A Dptrace-tm-spr.c113 pid_t pid; in ptrace_tm_spr() local
120 pid = fork(); in ptrace_tm_spr()
121 if (pid < 0) { in ptrace_tm_spr()
126 if (pid == 0) in ptrace_tm_spr()
129 if (pid) { in ptrace_tm_spr()
135 ret = trace_tm_spr(pid); in ptrace_tm_spr()
137 kill(pid, SIGKILL); in ptrace_tm_spr()
150 if (ret != pid) { in ptrace_tm_spr()
H A Dptrace-tm-vsx.c112 pid_t pid; in ptrace_tm_vsx() local
125 pid = fork(); in ptrace_tm_vsx()
126 if (pid < 0) { in ptrace_tm_vsx()
131 if (pid == 0) in ptrace_tm_vsx()
134 if (pid) { in ptrace_tm_vsx()
139 ret = trace_tm_vsx(pid); in ptrace_tm_vsx()
141 kill(pid, SIGKILL); in ptrace_tm_vsx()
150 if (ret != pid) { in ptrace_tm_vsx()
H A Dptrace-gpr.c121 pid_t pid; in ptrace_gpr() local
133 pid = fork(); in ptrace_gpr()
134 if (pid < 0) { in ptrace_gpr()
138 if (pid == 0) in ptrace_gpr()
141 if (pid) { in ptrace_gpr()
146 ret = trace_gpr(pid); in ptrace_gpr()
148 kill(pid, SIGTERM); in ptrace_gpr()
159 if (ret != pid) { in ptrace_gpr()
/kernel/linux/linux-6.6/tools/testing/selftests/proc/
H A Dfd-003-kthread.c40 static int kernel_thread_fd(unsigned int pid) in kernel_thread_fd() argument
47 snprintf(buf, sizeof(buf), "/proc/%u", pid); in kernel_thread_fd()
157 unsigned int pid; in main() local
166 pid = 2; in main()
167 while ((fd = kernel_thread_fd(pid)) == -1 && pid < 1024) { in main()
168 pid++; in main()
171 if (pid >= 1024) in main()
/kernel/linux/linux-6.6/tools/testing/selftests/bpf/progs/
H A Datomics.c13 __u32 pid = 0; variable
26 if (pid != (bpf_get_current_pid_tgid() >> 32)) in add()
52 if (pid != (bpf_get_current_pid_tgid() >> 32)) in sub()
76 if (pid != (bpf_get_current_pid_tgid() >> 32)) in and()
97 if (pid != (bpf_get_current_pid_tgid() >> 32)) in or()
117 if (pid != (bpf_get_current_pid_tgid() >> 32)) in xor()
138 if (pid != (bpf_get_current_pid_tgid() >> 32)) in cmpxchg()
159 if (pid != (bpf_get_current_pid_tgid() >> 32)) in xchg()
H A Dtest_varlen.c45 int pid = bpf_get_current_pid_tgid() >> 32; in handler64_unsigned() local
50 if (test_pid != pid || !capture) in handler64_unsigned()
75 int pid = bpf_get_current_pid_tgid() >> 32; in handler64_signed() local
80 if (test_pid != pid || !capture) in handler64_signed()
101 int pid = bpf_get_current_pid_tgid() >> 32; in handler32_unsigned() local
106 if (test_pid != pid || !capture) in handler32_unsigned()
129 int pid = bpf_get_current_pid_tgid() >> 32; in handler32_signed() local
134 if (test_pid != pid || !capture) in handler32_signed()
/kernel/linux/linux-6.6/tools/bpf/runqslower/
H A Drunqslower.c14 pid_t pid; member
35 " runqslower -p 123 # trace pid 123 only\n";
38 { "pid", 'p', "PID", 0, "Process PID to trace"},
46 int pid; in parse_arg() local
55 pid = strtol(arg, NULL, 10); in parse_arg()
56 if (errno || pid <= 0) { in parse_arg()
60 env.pid = pid; in parse_arg()
100 printf("%-8s %-16s %-6d %14llu\n", ts, e->task, e->pid, e->delta_us); in handle_event()
135 obj->rodata->targ_pid = env.pid; in main()
[all...]
/kernel/liteos_a/testsuites/unittest/container/smoke/
H A DIt_net_container_006.cpp122 int pid = clone(TcpClient, stackTop, SIGCHLD, &arg); in ChildFunc() local
123 if (pid == -1) { in ChildFunc()
150 ret = waitpid(pid, &status, 0); in ChildFunc()
151 if (ret != pid) { in ChildFunc()
173 int pid = clone(ChildFunc, stackTop, SIGCHLD | CLONE_NEWNET, &arg); in ItNetContainer006() local
174 ASSERT_NE(pid, -1); in ItNetContainer006()
176 ret = waitpid(pid, &status, 0); in ItNetContainer006()
177 ASSERT_EQ(ret, pid); in ItNetContainer006()
H A DIt_pid_container_027.cpp35 auto pid = getpid(); in ChildFunClone3() local
36 if (pid != CONTAINER_SECOND_PID) { in ChildFunClone3()
45 auto pid = getpid(); in ChildFunClone2() local
46 if (pid != CONTAINER_FIRST_PID) { in ChildFunClone2()
79 const char *containerType = "pid"; in ChildFunClone1()
82 auto pid = getpid(); in ChildFunClone1() local
89 if (pid != pid1) { in ChildFunClone1()
93 auto linkBuffer = ReadlinkContainer(pid, containerType); in ChildFunClone1()
94 auto linkBuffer1 = ReadlinkContainer(pid, containerType1); in ChildFunClone1()
/kernel/liteos_a/testsuites/unittest/process/basic/pthread/smoke/
H A Dpthread_atfork_test_001.cpp91 pid_t pid; in PthreadAtforkTest() local
110 pid = fork(); in PthreadAtforkTest()
111 ICUNIT_GOTO_WITHIN_EQUAL(pid, 0, 100000, pid, EXIT); // 100000, The pid will never exceed 100000. in PthreadAtforkTest()
114 if (pid == 0) { in PthreadAtforkTest()
133 err = waitpid(pid, &status, 0); in PthreadAtforkTest()
135 ICUNIT_GOTO_EQUAL(err, pid, err, EXIT); in PthreadAtforkTest()
142 (void)waitpid(pid, &status, 0); in PthreadAtforkTest()
H A Dpthread_atfork_test_002.cpp96 int pid; in PthreadAtforkTest() local
112 pid = fork(); in PthreadAtforkTest()
114 if (pid == 0) { in PthreadAtforkTest()
119 ICUNIT_GOTO_WITHIN_EQUAL(pid, 0, 100000, pid, EXIT_WAIT); // 100000, The pid will never exceed 100000. in PthreadAtforkTest()
126 err = waitpid(pid, &status, 0); in PthreadAtforkTest()
128 ICUNIT_GOTO_EQUAL(err, pid, err, EXIT); in PthreadAtforkTest()
135 (void)waitpid(pid, 0, 0); in PthreadAtforkTest()
/third_party/libunwind/libunwind/src/ptrace/
H A D_UPT_access_fpreg.c36 pid_t pid = ui->pid; in _UPT_access_fpreg() local
49 ptrace (PTRACE_POKEUSER, pid, _UPT_reg_offset[reg] + i * sizeof(wp[i]), in _UPT_access_fpreg()
61 wp[i] = ptrace (PTRACE_PEEKUSER, pid, in _UPT_access_fpreg()
75 pid_t pid = ui->pid; in _UPT_access_fpreg() local
99 if (ptrace(PT_GETFPREGS, pid, (caddr_t)&fpreg, 0) == -1) in _UPT_access_fpreg()
115 if (ptrace(PT_SETFPREGS, pid, (caddr_t)&fpreg, 0) == -1) in _UPT_access_fpreg()
/third_party/ltp/testcases/kernel/containers/libclone/
H A Dlibclone.c42 int pid, ret = 0; in do_unshare_tests() local
50 pid = fork(); in do_unshare_tests()
51 if (pid == -1) { in do_unshare_tests()
57 if (pid == 0) { in do_unshare_tests()
92 int ret = 0, pid; in do_plain_tests() local
94 pid = fork(); in do_plain_tests()
95 if (pid == -1) { in do_plain_tests()
99 if (pid == 0) in do_plain_tests()
/third_party/ltp/lib/
H A Dtst_memutils.c111 .pid = tst_syscall(__NR_gettid), in has_caps()
144 static void set_oom_score_adj(pid_t pid, int value) in set_oom_score_adj() argument
154 if (pid == 0) { in set_oom_score_adj()
157 sprintf(score_path, "/proc/%d/oom_score_adj", pid); in set_oom_score_adj()
176 void tst_enable_oom_protection(pid_t pid) in tst_enable_oom_protection() argument
178 set_oom_score_adj(pid, -1000); in tst_enable_oom_protection()
181 void tst_disable_oom_protection(pid_t pid) in tst_disable_oom_protection() argument
183 set_oom_score_adj(pid, 0); in tst_disable_oom_protection()
/third_party/ltp/testcases/kernel/mem/tunable/
H A Dmin_free_kbytes.c53 int pid, status; in min_free_kbytes_test() local
63 pid = SAFE_FORK(); in min_free_kbytes_test()
64 if (pid == 0) { in min_free_kbytes_test()
74 SAFE_KILL(pid, SIGUSR1); in min_free_kbytes_test()
75 SAFE_WAITPID(pid, &status, WUNTRACED | WCONTINUED); in min_free_kbytes_test()
87 int pid[3]; in test_tune() local
112 switch (pid[i] = fork()) { in test_tune()
120 SAFE_WAITPID(pid[i], &status, WUNTRACED | WCONTINUED); in test_tune()
/third_party/ltp/testcases/kernel/syscalls/sched_setattr/
H A Dsched_setattr01.c16 * 2) sched_setattr fails with unused pid
43 static pid_t pid; variable
59 pid_t *pid; member
65 {&pid, &attr, 0, 0, 0},
67 {&pid, NULL, 0, -1, EINVAL},
68 {&pid, &attr, 1000, -1, EINVAL}
88 TEST(sched_setattr(*(test->pid), test->a, test->flags)); in sched_setattr_verify()
93 *(test->pid), test->flags, in sched_setattr_verify()
106 *(test->pid), test->flags, in sched_setattr_verify()
/third_party/musl/libc-test/src/functionalext/supplement/stdio/
H A Dfdsan.cpp95 int pid = fork(); in fdsan_test_fatal_level() local
96 switch (pid) { in fdsan_test_fatal_level()
110 waitpid(pid, &status, WUNTRACED); in fdsan_test_fatal_level()
114 kill(pid, SIGCONT); in fdsan_test_fatal_level()
151 int pid = fork(); in fdsan_test_internal_fopen_succeed() local
152 switch (pid) { in fdsan_test_internal_fopen_succeed()
169 waitpid(pid, &status, WUNTRACED); in fdsan_test_internal_fopen_succeed()
174 kill(pid, SIGCONT); in fdsan_test_internal_fopen_succeed()
/kernel/linux/linux-6.6/tools/testing/selftests/seccomp/
H A Dseccomp_bpf.c209 __u32 pid; member
3275 pid_t pid; in TEST() local
3289 pid = fork(); in TEST()
3290 ASSERT_GE(pid, 0); in TEST()
3291 if (pid == 0) { in TEST()
3316 ASSERT_EQ(0, ptrace(PTRACE_ATTACH, pid)); in TEST()
3317 ASSERT_EQ(pid, waitpid(pid, NULL, 0)); in TEST()
3323 ret = ptrace(PTRACE_SECCOMP_GET_METADATA, pid, sizeof(md), &md); in TEST()
3333 ret = ptrace(PTRACE_SECCOMP_GET_METADATA, pid, sizeo in TEST()
3363 pid_t pid; TEST() local
3394 EXPECT_EQ(waitpid(pid, &status, 0), pid); TEST() local
3462 EXPECT_EQ(waitpid(pid, &status, 0), pid); TEST() local
3492 pid_t pid; TEST() local
3543 pid_t pid; TEST() local
3611 EXPECT_EQ(waitpid(pid, &status, 0), pid); TEST() local
3618 pid_t pid; TEST() local
3644 EXPECT_EQ(waitpid(pid, &status, 0), pid); TEST() local
3654 pid_t pid; TEST() local
3683 EXPECT_EQ(waitpid(pid, &status, 0), pid); TEST() local
3695 pid_t pid, pid2; TEST() local
3754 EXPECT_EQ(waitpid(pid, &status, 0), pid); TEST() local
3765 pid_t pid; TEST() local
3799 EXPECT_EQ(waitpid(pid, &status, 0), pid); TEST() local
3815 pid_t pid; TEST() local
3889 EXPECT_EQ(waitpid(pid, &status, 0), pid); TEST() local
3901 pid_t pid; TEST() local
3936 EXPECT_EQ(waitpid(pid, &status, 0), pid); TEST() local
3958 pid_t pid; TEST() local
4025 EXPECT_EQ(waitpid(pid, &status, 0), pid); TEST() local
4042 pid_t pid; TEST() local
4191 EXPECT_EQ(waitpid(pid, &status, 0), pid); TEST() local
4200 pid_t pid; TEST() local
4261 EXPECT_EQ(waitpid(pid, &status, 0), pid); TEST() local
4278 pid_t pid; TEST() local
4318 ASSERT_EQ(waitpid(pid, &status, 0), pid); TEST() local
4325 pid_t pid; FIXTURE() local
4422 get_proc_stat(struct __test_metadata *_metadata, pid_t pid) get_proc_stat() argument
4442 pid_t pid, pids[3]; TEST() local
4476 EXPECT_EQ(waitpid(pid, &status, 0), pid); TEST() local
4521 get_proc_syscall(struct __test_metadata *_metadata, int pid) get_proc_syscall() argument
4546 pid_t pid; TEST() local
4602 EXPECT_EQ(waitpid(pid, &status, 0), pid); TEST() local
4618 pid_t pid; TEST() local
4683 EXPECT_EQ(waitpid(pid, &status, 0), pid); TEST() local
4693 pid_t pid; TEST() local
4733 EXPECT_EQ(waitpid(pid, &status, 0), pid); TEST() local
[all...]
/kernel/linux/linux-6.6/arch/mips/mm/
H A Dtlb-r3k.c121 int pid = read_c0_entryhi(); in local_flush_tlb_kernel_range() local
140 write_c0_entryhi(pid); in local_flush_tlb_kernel_range()
183 int idx, pid; in __update_tlb() local
191 pid = read_c0_entryhi() & asid_mask; in __update_tlb()
194 if ((pid != (cpu_context(cpu, vma->vm_mm) & asid_mask)) || (cpu_context(cpu, vma->vm_mm) == 0)) { in __update_tlb()
196 (cpu_context(cpu, vma->vm_mm)), pid); in __update_tlb()
202 write_c0_entryhi(address | pid); in __update_tlb()
207 write_c0_entryhi(address | pid); in __update_tlb()
213 write_c0_entryhi(pid); in __update_tlb()

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