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"

Include dependency graph for proc.h:

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Data Structures
struct	sync_t
	Synchronization object. More...

Macros
#define	PRIORITY_MAX   63
	The maximum priority value, inclusive.
#define	PRIORITY_MAX_USER   31
	The maximum priority user space is allowed to specify, inclusive.
#define	PRIORITY_MIN   0
	The minimum priority value.
#define	PAGE_SIZE   0x1000
	The size of a memory page in bytes.
#define	BYTES_TO_PAGES(amount)   (((amount) + PAGE_SIZE - 1) / PAGE_SIZE)
	Convert a size in 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.

Enumerations
enum	spawn_flags_t {   SPAWN_DEFAULT = 0 , SPAWN_SUSPEND = 1 << 0 , SPAWN_EMPTY_FDS = 1 << 1 , SPAWN_STDIO_FDS = 1 << 2 ,   SPAWN_EMPTY_NS = 1 << 3 , SPAWN_EMPTY_ENV = 1 << 4 , SPAWN_EMPTY_CWD = 1 << 5 }
	Spawn behaviour flags. More...
enum	prot_t { PROT_NONE = 0 , PROT_READ = (1 << 0) , PROT_WRITE = (1 << 1) , PROT_EXECUTE = (1 << 2) }
	Memory protection flags. More...
enum	futex_op_t { FUTEX_WAIT , FUTEX_WAKE }
	Futex operation enum. More...

Functions
pid_t	spawn (const char **argv, spawn_flags_t flags)
	System call for spawning new 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.
void *	munmap (void *address, uint64_t length)
	System call to unmap mapped memory.
void *	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.

Variables
char **	environ
	The environment variables of the current process.