spawn.h File Reference

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Functions
int	G_spawn (const char *command,...)
	Spawn new process based on command.
int	G_vspawn_ex (const char *command, const char **args)
	Spawn new process based on command.
int	G_spawn_ex (const char *command,...)
	Spawn new process based on command.
int	G_wait (int i_pid)
	Wait for a spawned process to finish.

Function Documentation

G_spawn()

int G_spawn ( const char *  command,   ...  )

extern

Spawn new process based on command.

Parameters

[in]

command

Returns

-1 on error

process status on success

Definition at line 918 of file spawn.c.

References G_spawn_ex(), MAX_ARGS, NULL, SF_ARGVEC, SF_SIGNAL, SSA_BLOCK, SSA_IGNORE, and SST_PRE.

G_spawn_ex()

int G_spawn_ex ( const char *  command,   ...  )

extern

Spawn new process based on command.

This is a more advanced version of G_spawn().

Parameters

[in]

command

Returns

-1 on error

process status on success

Definition at line 897 of file spawn.c.

Referenced by D_open_driver(), db_start_driver(), and G_spawn().

G_vspawn_ex()

int G_vspawn_ex ( const char *  command, const char **  args  )

extern

Spawn new process based on command.

This is a more advanced version of G_spawn().

Parameters

[in]	command
[in]	args	arguments

Returns

-1 on error

process status on success

Definition at line 877 of file spawn.c.

G_wait()

int G_wait ( int  i_pid )

extern

Wait for a spawned process to finish.

Blocks until the process identified by i_pid exits, then returns the process exit code. On non-Windows platforms, if the process terminates due to a signal, the signal number is returned instead.

Parameters

[in]

i_pid

Process identifier returned by a spawn function.

Returns

Process exit code on normal termination.

Signal number if the process was terminated by a signal on non-Windows platforms.

-1 if the process cannot be opened, waited for, or queried.

-0x100 (-256) if the process ended with an unsupported wait status on non-Windows platforms.

Definition at line 963 of file spawn.c.

References FALSE.

Referenced by db_shutdown_driver(), and G_popen_close().