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file_utils: add lxc_recv_nointr()

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Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
This commit is contained in:
Christian Brauner 2018-09-03 02:51:39 +02:00
parent a8007512f7
commit de69edd15e
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GPG Key ID: 8EB056D53EECB12D
2 changed files with 13 additions and 0 deletions
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11
src/lxc/file_utils.c
View File

@ -117,6 +117,17 @@ again:
return ret; return ret;
} }
ssize_t lxc_recv_nointr(int sockfd, void *buf, size_t len, int flags)
{
ssize_t ret;
again:
ret = recv(sockfd, buf, len, flags);
if (ret < 0 && errno == EINTR)
goto again;
return ret;
}
ssize_t lxc_read_nointr_expect(int fd, void *buf, size_t count, const void *expected_buf) ssize_t lxc_read_nointr_expect(int fd, void *buf, size_t count, const void *expected_buf)
{ {
ssize_t ret; ssize_t ret;

2
src/lxc/file_utils.h
View File

@ -40,6 +40,8 @@ extern ssize_t lxc_write_nointr(int fd, const void *buf, size_t count);
extern ssize_t lxc_read_nointr(int fd, void *buf, size_t count); extern ssize_t lxc_read_nointr(int fd, void *buf, size_t count);
extern ssize_t lxc_read_nointr_expect(int fd, void *buf, size_t count, extern ssize_t lxc_read_nointr_expect(int fd, void *buf, size_t count,
const void *expected_buf); const void *expected_buf);
extern ssize_t lxc_recv_nointr(int sockfd, void *buf, size_t len, int flags);
extern bool file_exists(const char *f); extern bool file_exists(const char *f);
extern int print_to_file(const char *file, const char *content); extern int print_to_file(const char *file, const char *content);
extern int is_dir(const char *path); extern int is_dir(const char *path);