#ifndef __SUBCMD_RUN_COMMAND_H #define __SUBCMD_RUN_COMMAND_H #include <unistd.h> enum { ERR_RUN_COMMAND_FORK = 10000, ERR_RUN_COMMAND_EXEC, ERR_RUN_COMMAND_PIPE, ERR_RUN_COMMAND_WAITPID, ERR_RUN_COMMAND_WAITPID_WRONG_PID, ERR_RUN_COMMAND_WAITPID_SIGNAL, ERR_RUN_COMMAND_WAITPID_NOEXIT, }; #define IS_RUN_COMMAND_ERR(x) (-(x) >= ERR_RUN_COMMAND_FORK) struct child_process { const char **argv; pid_t pid; /* * Using .in, .out, .err: * - Specify 0 for no redirections (child inherits stdin, stdout, * stderr from parent). * - Specify -1 to have a pipe allocated as follows: * .in: returns the writable pipe end; parent writes to it, * the readable pipe end becomes child's stdin * .out, .err: returns the readable pipe end; parent reads from * it, the writable pipe end becomes child's stdout/stderr * The caller of start_command() must close the returned FDs * after it has completed reading from/writing to it! * - Specify > 0 to set a channel to a particular FD as follows: * .in: a readable FD, becomes child's stdin * .out: a writable FD, becomes child's stdout/stderr * .err > 0 not supported * The specified FD is closed by start_command(), even in case * of errors! */ int in; int out; int err; const char *dir; const char *const *env; unsigned no_stdin:1; unsigned no_stdout:1; unsigned no_stderr:1; unsigned exec_cmd:1; /* if this is to be external sub-command */ unsigned stdout_to_stderr:1; void (*preexec_cb)(void); }; int start_command(struct child_process *); int finish_command(struct child_process *); int run_command(struct child_process *); #define RUN_COMMAND_NO_STDIN 1 #define RUN_EXEC_CMD 2 /*If this is to be external sub-command */ #define RUN_COMMAND_STDOUT_TO_STDERR 4 int run_command_v_opt(const char **argv, int opt); #endif /* __SUBCMD_RUN_COMMAND_H */ e-remove&id=5c228d63f963bd7e20b6a9b06e93272093e98628'>tree</a><a href='/cgit.cgi/linux/net-next.git/commit/net/bluetooth/af_bluetooth.c?h=nds-private-remove&id=5c228d63f963bd7e20b6a9b06e93272093e98628'>commit</a><a href='/cgit.cgi/linux/net-next.git/diff/net/bluetooth/af_bluetooth.c?h=nds-private-remove&id=5c228d63f963bd7e20b6a9b06e93272093e98628'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/net/bluetooth/af_bluetooth.c'> <input type='hidden' name='h' value='nds-private-remove'/><input type='hidden' name='id' value='5c228d63f963bd7e20b6a9b06e93272093e98628'/><select name='qt'> <option value='grep'>log msg</option> <option value='author'>author</option> <option value='committer'>committer</option> <option value='range'>range</option> </select> <input class='txt' type='search' size='10' name='q' value=''/> <input type='submit' value='search'/> </form> </td></tr></table> <div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/log/?h=nds-private-remove&id=5c228d63f963bd7e20b6a9b06e93272093e98628'>root</a>/<a href='/cgit.cgi/linux/net-next.git/log/net?h=nds-private-remove&id=5c228d63f963bd7e20b6a9b06e93272093e98628'>net</a>/<a href='/cgit.cgi/linux/net-next.git/log/net/bluetooth?h=nds-private-remove&id=5c228d63f963bd7e20b6a9b06e93272093e98628'>bluetooth</a>/<a href='/cgit.cgi/linux/net-next.git/log/net/bluetooth/af_bluetooth.c?h=nds-private-remove&id=5c228d63f963bd7e20b6a9b06e93272093e98628'>af_bluetooth.c</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/cgit.cgi/linux/net-next.git/log/net/bluetooth/af_bluetooth.c?h=nds-private-remove&id=5c228d63f963bd7e20b6a9b06e93272093e98628&showmsg=1'>Expand</a>)</th><th class='left'>Author</th><th class='left'>Files</th><th class='left'>Lines</th></tr>