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authorTavian Barnes <tavianator@tavianator.com>2023-10-31 13:25:04 -0400
committerTavian Barnes <tavianator@tavianator.com>2023-10-31 13:25:30 -0400
commit8aaf670c13ade259f7bcdd50332968c1c6290b34 (patch)
tree8794f55c7777f560c37ebcebb78a4a6be30d92f1 /src
parent06ee53d5b1fc58073aaa3d57f6073256d13502f2 (diff)
downloadbfs-8aaf670c13ade259f7bcdd50332968c1c6290b34.tar.xz
bfstd: New xwaitpid() wrapper
Diffstat (limited to 'src')
-rw-r--r--src/bfstd.c9
-rw-r--r--src/bfstd.h7
-rw-r--r--src/exec.c2
-rw-r--r--src/parse.c2
-rw-r--r--src/xspawn.c2
5 files changed, 19 insertions, 3 deletions
diff --git a/src/bfstd.c b/src/bfstd.c
index eee02b8..06226a2 100644
--- a/src/bfstd.c
+++ b/src/bfstd.c
@@ -20,6 +20,7 @@
#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>
+#include <sys/wait.h>
#include <unistd.h>
#include <wchar.h>
#include <wctype.h>
@@ -391,6 +392,14 @@ int xminor(dev_t dev) {
#endif
}
+pid_t xwaitpid(pid_t pid, int *status, int flags) {
+ pid_t ret;
+ do {
+ ret = waitpid(pid, status, flags);
+ } while (ret < 0 && errno == EINTR);
+ return ret;
+}
+
int dup_cloexec(int fd) {
#ifdef F_DUPFD_CLOEXEC
return fcntl(fd, F_DUPFD_CLOEXEC, 0);
diff --git a/src/bfstd.h b/src/bfstd.h
index db558c6..4e36aca 100644
--- a/src/bfstd.h
+++ b/src/bfstd.h
@@ -213,6 +213,13 @@ int xminor(dev_t dev);
# define st_birthtim st_birthtimespec
#endif
+// #include <sys/wait.h>
+
+/**
+ * waitpid() wrapper that handles EINTR.
+ */
+pid_t xwaitpid(pid_t pid, int *status, int flags);
+
// #include <unistd.h>
/**
diff --git a/src/exec.c b/src/exec.c
index 0e0d585..97cfafa 100644
--- a/src/exec.c
+++ b/src/exec.c
@@ -390,7 +390,7 @@ fail:
}
int wstatus;
- if (waitpid(pid, &wstatus, 0) < 0) {
+ if (xwaitpid(pid, &wstatus, 0) < 0) {
return -1;
}
diff --git a/src/parse.c b/src/parse.c
index fafd787..3f32021 100644
--- a/src/parse.c
+++ b/src/parse.c
@@ -2980,7 +2980,7 @@ static struct bfs_expr *parse_help(struct parser_state *state, int arg1, int arg
if (pager > 0) {
cfclose(cout);
- waitpid(pager, NULL, 0);
+ xwaitpid(pager, NULL, 0);
}
state->just_info = true;
diff --git a/src/xspawn.c b/src/xspawn.c
index 7fb63e0..64759e0 100644
--- a/src/xspawn.c
+++ b/src/xspawn.c
@@ -234,7 +234,7 @@ pid_t bfs_spawn(const char *exe, const struct bfs_spawn *ctx, char **argv, char
xclose(pipefd[0]);
if (nbytes == sizeof(error)) {
int wstatus;
- waitpid(pid, &wstatus, 0);
+ xwaitpid(pid, &wstatus, 0);
errno = error;
return -1;
}