X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Fcommon%2Fsessiond-comm%2Fsessiond-comm.c;h=477bd1c644ca18a6d87bde40212e46678a3db0b1;hb=d2641a837d460c275884523d67120379711dc38c;hp=2b5c226c1c421ea5576dfdc6b6b96a8fb3c9824d;hpb=156ea65a3ff80c6d3f2b0330f23bb85a55618236;p=lttng-tools.git diff --git a/src/common/sessiond-comm/sessiond-comm.c b/src/common/sessiond-comm/sessiond-comm.c index 2b5c226c1..477bd1c64 100644 --- a/src/common/sessiond-comm/sessiond-comm.c +++ b/src/common/sessiond-comm/sessiond-comm.c @@ -29,6 +29,7 @@ #include #include +#include #include "sessiond-comm.h" @@ -141,12 +142,11 @@ const char *lttcomm_get_readable_code(enum lttcomm_return_code code) int lttcomm_connect_unix_sock(const char *pathname) { struct sockaddr_un sun; - int fd; - int ret; + int fd, ret, closeret; fd = socket(PF_UNIX, SOCK_STREAM, 0); if (fd < 0) { - perror("socket"); + PERROR("socket"); ret = fd; goto error; } @@ -168,7 +168,10 @@ int lttcomm_connect_unix_sock(const char *pathname) return fd; error_connect: - close(fd); + closeret = close(fd); + if (closeret) { + PERROR("close"); + } error: return ret; } @@ -186,7 +189,7 @@ int lttcomm_accept_unix_sock(int sock) /* Blocking call */ new_fd = accept(sock, (struct sockaddr *) &sun, &len); if (new_fd < 0) { - perror("accept"); + PERROR("accept"); } return new_fd; @@ -204,7 +207,7 @@ int lttcomm_create_unix_sock(const char *pathname) /* Create server socket */ if ((fd = socket(PF_UNIX, SOCK_STREAM, 0)) < 0) { - perror("socket"); + PERROR("socket"); goto error; } @@ -217,7 +220,7 @@ int lttcomm_create_unix_sock(const char *pathname) (void) unlink(pathname); ret = bind(fd, (struct sockaddr *) &sun, sizeof(sun)); if (ret < 0) { - perror("bind"); + PERROR("bind"); goto error; } @@ -236,7 +239,7 @@ int lttcomm_listen_unix_sock(int sock) ret = listen(sock, LTTNG_SESSIOND_COMM_MAX_LISTEN); if (ret < 0) { - perror("listen"); + PERROR("listen"); } return ret; @@ -263,7 +266,7 @@ ssize_t lttcomm_recv_unix_sock(int sock, void *buf, size_t len) ret = recvmsg(sock, &msg, MSG_WAITALL); if (ret < 0) { - perror("recvmsg"); + PERROR("recvmsg"); } return ret; @@ -289,7 +292,13 @@ ssize_t lttcomm_send_unix_sock(int sock, void *buf, size_t len) ret = sendmsg(sock, &msg, 0); if (ret < 0) { - perror("sendmsg"); + /* + * Only warn about EPIPE when quiet mode is deactivated. + * We consider EPIPE as expected. + */ + if (errno != EPIPE || !opt_quiet) { + PERROR("sendmsg"); + } } return ret; @@ -300,12 +309,17 @@ ssize_t lttcomm_send_unix_sock(int sock, void *buf, size_t len) */ int lttcomm_close_unix_sock(int sock) { - int ret; + int ret, closeret; /* Shutdown receptions and transmissions */ ret = shutdown(sock, SHUT_RDWR); if (ret < 0) { - perror("shutdown"); + PERROR("shutdown"); + } + + closeret = close(sock); + if (closeret) { + PERROR("close"); } return ret; @@ -349,7 +363,13 @@ ssize_t lttcomm_send_fds_unix_sock(int sock, int *fds, size_t nb_fd) ret = sendmsg(sock, &msg, 0); if (ret < 0) { - perror("sendmsg"); + /* + * Only warn about EPIPE when quiet mode is deactivated. + * We consider EPIPE as expected. + */ + if (errno != EPIPE || !opt_quiet) { + PERROR("sendmsg"); + } } return ret; } @@ -384,7 +404,7 @@ ssize_t lttcomm_recv_fds_unix_sock(int sock, int *fds, size_t nb_fd) ret = recvmsg(sock, &msg, 0); if (ret < 0) { - perror("recvmsg fds"); + PERROR("recvmsg fds"); goto end; } if (ret != 1) { @@ -458,9 +478,14 @@ ssize_t lttcomm_send_creds_unix_sock(int sock, void *buf, size_t len) ret = sendmsg(sock, &msg, 0); if (ret < 0) { - perror("sendmsg"); + /* + * Only warn about EPIPE when quiet mode is deactivated. + * We consider EPIPE as expected. + */ + if (errno != EPIPE || !opt_quiet) { + PERROR("sendmsg"); + } } - return ret; } @@ -498,7 +523,7 @@ ssize_t lttcomm_recv_creds_unix_sock(int sock, void *buf, size_t len, ret = recvmsg(sock, &msg, 0); if (ret < 0) { - perror("recvmsg fds"); + PERROR("recvmsg fds"); goto end; } @@ -545,7 +570,7 @@ int lttcomm_setsockopt_creds_unix_sock(int sock) /* Set socket for credentials retrieval */ ret = setsockopt(sock, SOL_SOCKET, SO_PASSCRED, &on, sizeof(on)); if (ret < 0) { - perror("setsockopt creds unix sock"); + PERROR("setsockopt creds unix sock"); } return ret;