X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/b44be3e944d80a91a0957b1951110e4acc821e55..e51094b7210fc31fa67cc218c1bd30de841a426e:/pipe.c diff --git a/pipe.c b/pipe.c index 47529588..18e9a722 100644 --- a/pipe.c +++ b/pipe.c @@ -21,6 +21,13 @@ #include "rsync.h" +extern int am_sender; +extern int am_server; +extern int blocking_io; +extern int orig_umask; +extern int read_batch; +extern int filesfrom_fd; + /** * Create a child connected to use on stdin/stdout. * @@ -39,32 +46,29 @@ pid_t piped_child(char **command, int *f_in, int *f_out) pid_t pid; int to_child_pipe[2]; int from_child_pipe[2]; - extern int blocking_io; if (verbose >= 2) { print_child_argv(command); } if (fd_pair(to_child_pipe) < 0 || fd_pair(from_child_pipe) < 0) { - rprintf(FERROR, "pipe: %s\n", strerror(errno)); + rsyserr(FERROR, errno, "pipe"); exit_cleanup(RERR_IPC); } pid = do_fork(); if (pid == -1) { - rprintf(FERROR, "fork: %s\n", strerror(errno)); + rsyserr(FERROR, errno, "fork"); exit_cleanup(RERR_IPC); } if (pid == 0) { - extern int orig_umask; if (dup2(to_child_pipe[0], STDIN_FILENO) < 0 || close(to_child_pipe[1]) < 0 || close(from_child_pipe[0]) < 0 || dup2(from_child_pipe[1], STDOUT_FILENO) < 0) { - rprintf(FERROR, "Failed to dup/close : %s\n", - strerror(errno)); + rsyserr(FERROR, errno, "Failed to dup/close"); exit_cleanup(RERR_IPC); } if (to_child_pipe[0] != STDIN_FILENO) @@ -73,17 +77,15 @@ pid_t piped_child(char **command, int *f_in, int *f_out) close(from_child_pipe[1]); umask(orig_umask); set_blocking(STDIN_FILENO); - if (blocking_io) { + if (blocking_io > 0) set_blocking(STDOUT_FILENO); - } execvp(command[0], command); - rprintf(FERROR, "Failed to exec %s : %s\n", - command[0], strerror(errno)); + rsyserr(FERROR, errno, "Failed to exec %s", command[0]); exit_cleanup(RERR_IPC); } if (close(from_child_pipe[1]) < 0 || close(to_child_pipe[0]) < 0) { - rprintf(FERROR, "Failed to close : %s\n", strerror(errno)); + rsyserr(FERROR, errno, "Failed to close"); exit_cleanup(RERR_IPC); } @@ -99,33 +101,32 @@ pid_t local_child(int argc, char **argv,int *f_in,int *f_out, pid_t pid; int to_child_pipe[2]; int from_child_pipe[2]; - extern int read_batch; /* dw */ if (fd_pair(to_child_pipe) < 0 || fd_pair(from_child_pipe) < 0) { - rprintf(FERROR,"pipe: %s\n",strerror(errno)); + rsyserr(FERROR, errno, "pipe"); exit_cleanup(RERR_IPC); } pid = do_fork(); if (pid == -1) { - rprintf(FERROR,"fork: %s\n",strerror(errno)); + rsyserr(FERROR, errno, "fork"); exit_cleanup(RERR_IPC); } if (pid == 0) { - extern int am_sender; - extern int am_server; - am_sender = read_batch ? 0 : !am_sender; am_server = 1; + if (!am_sender) + filesfrom_fd = -1; + if (dup2(to_child_pipe[0], STDIN_FILENO) < 0 || close(to_child_pipe[1]) < 0 || close(from_child_pipe[0]) < 0 || dup2(from_child_pipe[1], STDOUT_FILENO) < 0) { - rprintf(FERROR,"Failed to dup/close : %s\n",strerror(errno)); + rsyserr(FERROR, errno, "Failed to dup/close"); exit_cleanup(RERR_IPC); } if (to_child_pipe[0] != STDIN_FILENO) close(to_child_pipe[0]); @@ -133,9 +134,12 @@ pid_t local_child(int argc, char **argv,int *f_in,int *f_out, child_main(argc, argv); } + if (!am_sender) + filesfrom_fd = -1; + if (close(from_child_pipe[1]) < 0 || close(to_child_pipe[0]) < 0) { - rprintf(FERROR,"Failed to close : %s\n",strerror(errno)); + rsyserr(FERROR, errno, "Failed to close"); exit_cleanup(RERR_IPC); } @@ -144,5 +148,3 @@ pid_t local_child(int argc, char **argv,int *f_in,int *f_out, return pid; } - -