From 91f8798bf240d55fabc021739239d95bdcb1b4d4 Mon Sep 17 00:00:00 2001 From: egor-tensin Date: Thu, 26 Dec 2024 11:18:27 +0000 Subject: =?UTF-8?q?Deploying=20to=20gh-pages=20from=20@=20egor-tensin/cimp?= =?UTF-8?q?le@9f40d20e1c97e2c85e26a6a13ccf04e60d9f83f5=20=F0=9F=9A=80?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- ...process.c.52f9324f34485af6c2c0f7cc7bbf5f8b.html | 1360 ++++++++++++++++++++ 1 file changed, 1360 insertions(+) create mode 100644 coverage/index.process.c.52f9324f34485af6c2c0f7cc7bbf5f8b.html (limited to 'coverage/index.process.c.52f9324f34485af6c2c0f7cc7bbf5f8b.html') diff --git a/coverage/index.process.c.52f9324f34485af6c2c0f7cc7bbf5f8b.html b/coverage/index.process.c.52f9324f34485af6c2c0f7cc7bbf5f8b.html new file mode 100644 index 0000000..5716e10 --- /dev/null +++ b/coverage/index.process.c.52f9324f34485af6c2c0f7cc7bbf5f8b.html @@ -0,0 +1,1360 @@ + + + + + + GCC Code Coverage Report + + + + + +
+

GCC Code Coverage Report

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Directory:src/
File:src/process.c
Date:2024-12-26 11:11:59
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ExecTotalCoverage
Lines:418448.8%
Functions:5862.5%
Branches:125223.1%
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LineBranchExecSource
1 + /*
2 + * Copyright (c) 2022 Egor Tensin <egor@tensin.name>
3 + * This file is part of the "cimple" project.
4 + * For details, see https://github.com/egor-tensin/cimple.
5 + * Distributed under the MIT License.
6 + */
7 +
8 + #include "process.h"
9 + #include "file.h"
10 + #include "log.h"
11 +
12 + #include <fcntl.h>
13 + #include <stdlib.h>
14 + #include <sys/wait.h>
15 + #include <unistd.h>
16 +
17 + ✗static int exec_child(const char *args[], const char *envp[])
18 + {
19 + static const char *default_envp[] = {NULL};
20 +
21 + ✗ if (!envp)
22 + ✗ envp = default_envp;
23 +
24 + ✗ int ret = execvpe(args[0], (char *const *)args, (char *const *)envp);
25 + ✗ if (ret < 0) {
26 + ✗ log_errno("execvpe");
27 + ✗ return ret;
28 + }
29 +
30 + ✗ return ret;
31 + }
32 +
33 + 9180static int wait_for_child(pid_t pid, int *ec)
34 + {
35 + int status;
36 +
37 + 9180 pid_t ret = waitpid(pid, &status, __WNOTHREAD);
38 +
+ 1/2 +
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+ 		9180 if (ret < 0) {
39 + ✗ log_errno("waitpid");
40 + ✗ return ret;
41 + }
42 +
43 + /* The child process reports the lowest 8 bits of its exit code, which
44 + * are treated as an unsigned integer on Linux.
45 + *
46 + * If it was killed by a signal, indicate that by negating the signal
47 + * number. */
48 +
49 +
+ 2/2 +
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+ 		9180 if (WIFEXITED(status)) {
50 + 9144 *ec = WEXITSTATUS(status);
51 +
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+ 		36 } else if (WIFSIGNALED(status)) {
52 + 36 *ec = -WTERMSIG(status);
53 + } else {
54 + ✗ log_err("This shouldn't happen: %d\n", status);
55 + ✗ *ec = 1;
56 + }
57 +
58 + 9180 return 0;
59 + }
60 +
61 + ✗int process_execute(const char *args[], const char *envp[], int *ec)
62 + {
63 + ✗ pid_t child_pid = fork();
64 + ✗ if (child_pid < 0) {
65 + ✗ log_errno("fork");
66 + ✗ return child_pid;
67 + }
68 +
69 + ✗ if (!child_pid)
70 + ✗ exit(exec_child(args, envp));
71 +
72 + ✗ return wait_for_child(child_pid, ec);
73 + }
74 +
75 + ✗static int redirect_and_exec_child(int pipe_fds[2], const char *args[], const char *envp[])
76 + {
77 + ✗ int ret = 0;
78 +
79 + ✗ file_close(pipe_fds[0]);
80 +
81 + ✗ ret = dup2(pipe_fds[1], STDOUT_FILENO);
82 + ✗ if (ret < 0) {
83 + ✗ log_errno("dup2");
84 + ✗ return ret;
85 + }
86 +
87 + ✗ ret = dup2(pipe_fds[1], STDERR_FILENO);
88 + ✗ if (ret < 0) {
89 + ✗ log_errno("dup2");
90 + ✗ return ret;
91 + }
92 +
93 + ✗ return exec_child(args, envp);
94 + }
95 +
96 + 9180int process_execute_and_capture(const char *args[], const char *envp[],
97 + struct process_output *result)
98 + {
99 + static const int flags = O_CLOEXEC;
100 + int pipe_fds[2];
101 + 9180 int ret = 0;
102 +
103 + 9180 ret = pipe2(pipe_fds, flags);
104 +
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+ 		9180 if (ret < 0) {
105 + ✗ log_errno("pipe2");
106 + ✗ return -1;
107 + }
108 +
109 + 9180 pid_t child_pid = fork();
110 +
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+ 		9180 if (child_pid < 0) {
111 + ✗ log_errno("fork");
112 + ✗ goto close_pipe;
113 + }
114 +
115 +
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+ 		9180 if (!child_pid)
116 + ✗ exit(redirect_and_exec_child(pipe_fds, args, envp));
117 +
118 + 9180 file_close(pipe_fds[1]);
119 +
120 + 9180 ret = file_read(pipe_fds[0], &result->data, &result->data_size);
121 +
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+ 		9180 if (ret < 0)
122 + ✗ goto close_pipe;
123 +
124 + 9180 ret = wait_for_child(child_pid, &result->ec);
125 +
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+ 		9180 if (ret < 0)
126 + ✗ goto free_data;
127 +
128 + 9180 goto close_pipe;
129 +
130 + ✗free_data:
131 + ✗ free(result->data);
132 +
133 + 9180close_pipe:
134 + 9180 file_close(pipe_fds[0]);
135 + /* No errno checking here, we might've already closed the write end. */
136 + 9180 close(pipe_fds[1]);
137 +
138 + 9180 return ret;
139 + }
140 +
141 + 18360int process_output_create(struct process_output **_output)
142 + {
143 + 18360 struct process_output *output = calloc(1, sizeof(struct process_output));
144 +
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+ 		18360 if (!output) {
145 + ✗ log_errno("calloc");
146 + ✗ return -1;
147 + }
148 +
149 + 18360 output->ec = 0;
150 + 18360 output->data = NULL;
151 + 18360 output->data_size = 0;
152 +
153 + 18360 *_output = output;
154 + 18360 return 0;
155 + }
156 +
157 + 18360void process_output_destroy(struct process_output *output)
158 + {
159 + 18360 free(output->data);
160 + 18360 free(output);
161 + 18360}
162 +
163 + 9180void process_output_dump(const struct process_output *output)
164 + {
165 +
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+ 		9180 log("Process exit code: %d\n", output->ec);
166 +
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+ 		9180 log("Process output: %zu bytes\n", output->data_size);
167 + 9180}
168 +
+
+
+
+ + + + -- cgit v1.2.3