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refactor so pgrab can be used elsewhere

This commit is contained in:
Doug MacEachern 2004-07-30 02:07:02 +00:00
parent 5d4736e043
commit 4e3cdb949b
1 changed files with 45 additions and 30 deletions
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75
src/os/solaris/solaris_sigar.c
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@ -441,6 +441,47 @@ static int sigar_init_libproc(sigar_t *sigar)
return SIGAR_OK; return SIGAR_OK;
} }
/* from libproc.h, not included w/ solaris distro */
/* Error codes from Pgrab(), Pfgrab_core(), and Pgrab_core() */
#define G_STRANGE -1 /* Unanticipated error, errno is meaningful */
#define G_NOPROC 1 /* No such process */
#define G_NOCORE 2 /* No such core file */
#define G_NOPROCORCORE 3 /* No such proc or core (for proc_arg_grab) */
#define G_NOEXEC 4 /* Cannot locate executable file */
#define G_ZOMB 5 /* Zombie process */
#define G_PERM 6 /* No permission */
#define G_BUSY 7 /* Another process has control */
#define G_SYS 8 /* System process */
#define G_SELF 9 /* Process is self */
#define G_INTR 10 /* Interrupt received while grabbing */
#define G_LP64 11 /* Process is _LP64, self is ILP32 */
#define G_FORMAT 12 /* File is not an ELF format core file */
#define G_ELF 13 /* Libelf error, elf_errno() is meaningful */
#define G_NOTE 14 /* Required PT_NOTE Phdr not present in core */
static int sigar_pgrab(sigar_t *sigar, sigar_pid_t pid,
const char *func,
struct ps_prochandle **phandle)
{
int pstatus;
if (!(*phandle = sigar->pgrab(pid, 0x01, &pstatus))) {
switch (pstatus) {
case G_NOPROC:
return ESRCH;
case G_PERM:
return EACCES;
default:
sigar_log_printf(sigar, SIGAR_LOG_ERROR,
"[%s] Pgrab error=%d",
func, pstatus);
return ENOTSUP; /*XXX*/
}
}
return SIGAR_OK;
}
int sigar_proc_list_get(sigar_t *sigar, int sigar_proc_list_get(sigar_t *sigar,
sigar_proc_list_t *proclist) sigar_proc_list_t *proclist)
{ {
@ -723,24 +764,6 @@ int sigar_proc_exe_get(sigar_t *sigar, sigar_pid_t pid,
return SIGAR_OK; return SIGAR_OK;
} }
/* from libproc.h, not included w/ solaris distro */
/* Error codes from Pgrab(), Pfgrab_core(), and Pgrab_core() */
#define G_STRANGE -1 /* Unanticipated error, errno is meaningful */
#define G_NOPROC 1 /* No such process */
#define G_NOCORE 2 /* No such core file */
#define G_NOPROCORCORE 3 /* No such proc or core (for proc_arg_grab) */
#define G_NOEXEC 4 /* Cannot locate executable file */
#define G_ZOMB 5 /* Zombie process */
#define G_PERM 6 /* No permission */
#define G_BUSY 7 /* Another process has control */
#define G_SYS 8 /* System process */
#define G_SELF 9 /* Process is self */
#define G_INTR 10 /* Interrupt received while grabbing */
#define G_LP64 11 /* Process is _LP64, self is ILP32 */
#define G_FORMAT 12 /* File is not an ELF format core file */
#define G_ELF 13 /* Libelf error, elf_errno() is meaningful */
#define G_NOTE 14 /* Required PT_NOTE Phdr not present in core */
static int sigar_read_xmaps(sigar_t *sigar, static int sigar_read_xmaps(sigar_t *sigar,
prxmap_t *xmaps, int total, prxmap_t *xmaps, int total,
unsigned long *last_inode, unsigned long *last_inode,
@ -813,18 +836,10 @@ static int sigar_pgrab_modules(sigar_t *sigar, sigar_pid_t pid,
return pstatus; return pstatus;
} }
if (!(phandle = sigar->pgrab(pid, 0x01, &pstatus))) { pstatus = sigar_pgrab(sigar, pid, SIGAR_FUNC, &phandle);
switch (pstatus) {
case G_NOPROC: if (pstatus != SIGAR_OK) {
return ESRCH; return pstatus;
case G_PERM:
return EACCES;
default:
sigar_log_printf(sigar, SIGAR_LOG_ERROR,
"[%s] Pgrab error=%d",
SIGAR_FUNC, pstatus);
return ENOTSUP; /*XXX*/
}
} }
for (nread=0; nread<statbuf.st_size; ) { for (nread=0; nread<statbuf.st_size; ) {