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utils: add function for running program

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In order to hand off the drm fd to another program we need
to be able to run that other program.

This commit adds an API for running a program with no arguments,
in the background.
This commit is contained in:
Ray Strode 2018-04-26 12:36:31 -04:00
parent 55186d76ab
commit 0faf4c82bf
2 changed files with 13 additions and 0 deletions
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12
src/libply/ply-utils.c
View file

@ -1015,4 +1015,16 @@ ply_get_device_scale (uint32_t width,
return device_scale;
}
bool
ply_run_program_in_background (const char *program)
{
pid_t pid;
int result;
char argv[2] = { program, NULL };
result = posix_spawn (&pid, program, NULL, NULL, argv, NULL);
return result == 0;
}
/* vim: set ts=4 sw=4 expandtab autoindent cindent cino={.5s,(0: */

1
src/libply/ply-utils.h
View file

@ -127,6 +127,7 @@ int ply_get_device_scale (uint32_t width,
uint32_t height,
uint32_t width_mm,
uint32_t height_mm);
bool ply_run_program_in_background (const char *program);
#endif