[Mac OS X] Liste des processus via sysctl
Bonjour,
Je souhaite récupérer la liste des processus sous Mac OS X. Pour ça, j'utilise le code suivant:
Code:
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|
function GetProcess : integer;
var
i: integer;
mib : array [0..2] of Cint;
len: cint;
kp: PChar;
begin
// On dit ce qu'on souhaite récupérer
mib[0] := CTL_KERN;
mib[1] := KERN_PROC;
mib[2] := KERN_PROC_ALL;
//mib[3] := 0;
len := 0;
//Un premier appel "à vide" donne la taille des infos disponibles
if (sysctl.FPsysctl(PChar(@mib), 3, nil, @len, NIL, 0) <> -1) then begin
if (len > 0) then begin
kp := StrAlloc(len);
// Le second appel récupère les infos disponibles
if (sysctl.FPsysctl(PChar(@mib), 3, kp, @len, NIL, 0) <> -1) then begin
// Structure kp bien remplie mais comment retrouver mes petits ?
end;
strdispose(kp);
end;
end;
end; |
Le code fonctionne, si je bidouille en lisant kp caractère par caractère, je retouve bien des noms de processus ça et là. Ce kp est censé avoir cette structure:
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struct kinfo_proc {
struct extern_proc kp_proc; /* proc structure */
struct eproc {
struct proc *e_paddr; /* address of proc */
struct session *e_sess; /* session pointer */
struct _pcred e_pcred; /* process credentials */
struct _ucred e_ucred; /* current credentials */
struct vmspace e_vm; /* address space */
pid_t e_ppid; /* parent process id */
pid_t e_pgid; /* process group id */
short e_jobc; /* job control counter */
dev_t e_tdev; /* controlling tty dev */
pid_t e_tpgid; /* tty process group id */
struct session *e_tsess; /* tty session pointer */
#define WMESGLEN 7
char e_wmesg[WMESGLEN+1]; /* wchan message */
segsz_t e_xsize; /* text size */
short e_xrssize; /* text rss */
short e_xccount; /* text references */
short e_xswrss;
int32_t e_flag;
#define EPROC_CTTY 0x01 /* controlling tty vnode active */
#define EPROC_SLEADER 0x02 /* session leader */
#define COMAPT_MAXLOGNAME 12
char e_login[COMAPT_MAXLOGNAME]; /* short setlogin() name */
int32_t e_spare[4];
} kp_eproc;
}; |
avec extern_proc défini ainsi:
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struct extern_proc {
union {
struct {
struct proc *__p_forw; /* Doubly-linked run/sleep queue. */
struct proc *__p_back;
} p_st1;
struct timeval __p_starttime; /* process start time */
} p_un;
#define p_forw p_un.p_st1.__p_forw
#define p_back p_un.p_st1.__p_back
#define p_starttime p_un.__p_starttime
struct vmspace *p_vmspace; /* Address space. */
struct sigacts *p_sigacts; /* Signal actions, state (PROC ONLY). */
int p_flag; /* P_* flags. */
char p_stat; /* S* process status. */
pid_t p_pid; /* Process identifier. */
pid_t p_oppid; /* Save parent pid during ptrace. XXX */
int p_dupfd; /* Sideways return value from fdopen. XXX */
/* Mach related */
caddr_t user_stack; /* where user stack was allocated */
void *exit_thread; /* XXX Which thread is exiting? */
int p_debugger; /* allow to debug */
boolean_t sigwait; /* indication to suspend */
/* scheduling */
u_int p_estcpu; /* Time averaged value of p_cpticks. */
int p_cpticks; /* Ticks of cpu time. */
fixpt_t p_pctcpu; /* %cpu for this process during p_swtime */
void *p_wchan; /* Sleep address. */
char *p_wmesg; /* Reason for sleep. */
u_int p_swtime; /* Time swapped in or out. */
u_int p_slptime; /* Time since last blocked. */
struct itimerval p_realtimer; /* Alarm timer. */
struct timeval p_rtime; /* Real time. */
u_quad_t p_uticks; /* Statclock hits in user mode. */
u_quad_t p_sticks; /* Statclock hits in system mode. */
u_quad_t p_iticks; /* Statclock hits processing intr. */
int p_traceflag; /* Kernel trace points. */
struct vnode *p_tracep; /* Trace to vnode. */
int p_siglist; /* DEPRECATED */
struct vnode *p_textvp; /* Vnode of executable. */
int p_holdcnt; /* If non-zero, don't swap. */
sigset_t p_sigmask; /* DEPRECATED. */
sigset_t p_sigignore; /* Signals being ignored. */
sigset_t p_sigcatch; /* Signals being caught by user. */
u_char p_priority; /* Process priority. */
u_char p_usrpri; /* User-priority based on p_cpu and p_nice. */
char p_nice; /* Process "nice" value. */
char p_comm[MAXCOMLEN+1];
struct pgrp *p_pgrp; /* Pointer to process group. */
struct user *p_addr; /* Kernel virtual addr of u-area (PROC ONLY). */
u_short p_xstat; /* Exit status for wait; also stop signal. */
u_short p_acflag; /* Accounting flags. */
struct rusage *p_ru; /* Exit information. XXX */
}; |
Le C n'étant pas ma tasse de thé... comment je m'y retrouve pour récupérer proprement le nom des processus dans un kp de type kinfo_proc ... 8O
Merci,
André.
