proc.h File Reference

#include <stdatomic.h>
#include <stdint.h>
#include "_internal/ERR.h"
#include "_internal/NULL.h"
#include "_internal/clock_t.h"
#include "_internal/config.h"
#include "_internal/fd_t.h"
#include "_internal/pid_t.h"
#include "_internal/tid_t.h"

Go to the source code of this file.

Data Structures
struct	spawn_fd_t
	Stucture used to duplicate fds in spawn(). More...
struct	spawn_attr_t
struct	sync_t
	Synchronization object. More...

Macros
#define	PRIORITY_MAX   64
#define	PRIORITY_MAX_USER   32
#define	PRIORITY_MIN   0
#define	SPAWN_NONE   0
#define	SPAWN_INHERIT_PRIORITY   (1 << 0)
#define	SPAWN_FD_END
	Spawn fds termination constant.
#define	PAGE_SIZE   0x1000
	Memory page size.
#define	BYTES_TO_PAGES(amount)   (((amount) + PAGE_SIZE - 1) / PAGE_SIZE)
	Convert bytes to pages.
#define	PAGE_SIZE_OF(object)   BYTES_TO_PAGES(sizeof(object))
	Size of an object in pages.
#define	FUTEX_ALL   UINT64_MAX
	Futex wake all constant.

Typedefs
typedef uint8_t	priority_t
	Priority type.
typedef uint64_t	spawn_flags_t
	Spawn behaviour flags.

Enumerations
enum	prot_t {   PROT_NONE = 0 ,   PROT_READ = (1 << 0) ,   PROT_WRITE = (1 << 1) }
	Memory protection flags. More...
enum	futex_op_t {   FUTEX_WAIT ,   FUTEX_WAKE }
	Futex operation enum. More...

Functions
pid_t	spawn (const char **argv, const spawn_fd_t *fds, const char *cwd, spawn_attr_t *attr)
	System call for creating child processes.
pid_t	getpid (void)
	System call to retrieve the current pid.
tid_t	gettid (void)
	System call to retrieve the current tid.
void *	mmap (fd_t fd, void *address, uint64_t length, prot_t prot)
	System call to map memory from a file.
uint64_t	munmap (void *address, uint64_t length)
	System call to unmap mapped memory.
uint64_t	mprotect (void *address, uint64_t length, prot_t prot)
	System call to change the protection flags of memory.
uint64_t	futex (atomic_uint64_t *addr, uint64_t val, futex_op_t op, clock_t timeout)
	System call for fast user space mutual exclusion.
clock_t	uptime (void)
	System call for retreving the time since boot.
uint64_t	nanosleep (clock_t timeout)
	System call for sleeping.