diff options
Diffstat (limited to '')
| -rw-r--r-- | libnetdata/popen/popen.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/libnetdata/popen/popen.h b/libnetdata/popen/popen.h index f387cff0a..57eb9131e 100644 --- a/libnetdata/popen/popen.h +++ b/libnetdata/popen/popen.h @@ -8,6 +8,23 @@ #define PIPE_READ 0 #define PIPE_WRITE 1 +/* custom_popene_variadic_internal_dont_use_directly flag definitions */ +#define POPEN_FLAG_NONE 0 +#define POPEN_FLAG_CREATE_PIPE 1 // Create a pipe like popen() when set, otherwise set stdout to /dev/null +#define POPEN_FLAG_CLOSE_FD 2 // Close all file descriptors other than STDIN_FILENO, STDOUT_FILENO, STDERR_FILENO + +// the flags to be used by default +#define POPEN_FLAGS_DEFAULT (POPEN_FLAG_CREATE_PIPE|POPEN_FLAG_CLOSE_FD) + +// mypopen_raw is the interface to use instead of custom_popene_variadic_internal_dont_use_directly() +// mypopen_raw will add the terminating NULL at the arguments list +// we append the parameter 'command' twice - this is because the underlying call needs the command to execute and the argv[0] to pass to it +#define mypopen_raw_default_flags_and_environment(pidptr, fpp, command, args...) custom_popene_variadic_internal_dont_use_directly(pidptr, environ, POPEN_FLAGS_DEFAULT, fpp, command, command, ##args, NULL) +#define mypopen_raw_default_flags(pidptr, env, fpp, command, args...) custom_popene_variadic_internal_dont_use_directly(pidptr, env, POPEN_FLAGS_DEFAULT, fpp, command, command, ##args, NULL) +#define mypopen_raw(pidptr, env, flags, fpp, command, args...) custom_popene_variadic_internal_dont_use_directly(pidptr, env, flags, fpp, command, command, ##args, NULL) + +extern int custom_popene_variadic_internal_dont_use_directly(volatile pid_t *pidptr, char **env, uint8_t flags, FILE **fpp, const char *command, ...); + extern FILE *mypopen(const char *command, volatile pid_t *pidptr); extern FILE *mypopene(const char *command, volatile pid_t *pidptr, char **env); extern int mypclose(FILE *fp, pid_t pid); |