/usr/lib/grass64/include/grass/spawn.h is in grass-dev 6.4.3-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 | #ifndef GRASS_SPAWN_H
#define GRASS_SPAWN_H
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <fcntl.h>
#define SF_MODE_IN ((const char *) (O_RDONLY))
#define SF_MODE_OUT ((const char *) (O_WRONLY|O_CREAT|O_TRUNC))
#define SF_MODE_APPEND ((const char *) (O_WRONLY|O_CREAT|O_APPEND))
#define SF_STDIN ((const char *) STDIN_FILENO)
#define SF_STDOUT ((const char *) STDOUT_FILENO)
#define SF_STDERR ((const char *) STDERR_FILENO)
#define SF_REDIRECT_FILE ((const char *) 1)
#define SF_REDIRECT_DESCRIPTOR ((const char *) 2)
#define SF_CLOSE_DESCRIPTOR ((const char *) 3)
#define SF_SIGNAL ((const char *) 4)
#define SF_VARIABLE ((const char *) 5)
#define SF_BINDING ((const char *) 6)
#define SF_BACKGROUND ((const char *) 7)
#define SF_DIRECTORY ((const char *) 8)
#define SF_ARGVEC ((const char *) 9)
enum signal_action
{
SSA_NONE,
SSA_IGNORE,
SSA_DEFAULT,
SSA_BLOCK,
SSA_UNBLOCK,
};
enum signal_type
{
SST_PRE,
SST_POST,
SST_CHILD,
};
extern int G_spawn(const char *command, ...);
extern int G_vspawn_ex(const char *command, const char **args);
extern int G_spawn_ex(const char *command, ...);
extern int G_wait(int i_pid);
#endif
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