#ifndef __SUBCMD_RUN_COMMAND_H #define __SUBCMD_RUN_COMMAND_H #include 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 */ 35394962'>treecommitdiff
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authorDave Airlie <airlied@redhat.com>2017-01-26 06:44:03 +1000
committerDave Airlie <airlied@redhat.com>2017-01-26 06:44:03 +1000
commit54a07c7bb0da0343734c78212bbe9f3735394962 (patch)
tree714efff4608ddc0dda7dc85ca82ae98e2c58b52c /include/drm/drm_modeset_lock.h
parent932790109f62aa52bdb4bb62aa66653c0b51bc75 (diff)
Revert "drm/probe-helpers: Drop locking from poll_enable"
This reverts commit 3846fd9b86001bea171943cc3bb9222cb6da6b42. There were some precursor commits missing for this around connector locking, we should probably merge Lyude's nouveau avoid the problem patch.
Diffstat (limited to 'include/drm/drm_modeset_lock.h')