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implement parent flag

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This commit is contained in:
Doug MacEachern 2006-12-31 03:07:43 +00:00
parent cbaec00d98
commit 0bf91e99ad
1 changed files with 34 additions and 1 deletions
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35
src/sigar_ptql.c
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@ -47,11 +47,14 @@ typedef enum {
PTQL_VALUE_TYPE_ANY
} ptql_value_type_t;
#define PTQL_OP_FLAG_PARENT 1
struct ptql_parse_branch_t {
char *name;
char *attr;
char *op;
char *value;
unsigned int op_flags;
};
typedef struct {
@ -71,6 +74,7 @@ struct ptql_branch_t {
void *data;
unsigned int data_size;
unsigned int flags;
unsigned int op_flags;
union {
ptql_op_ui64_t ui64;
ptql_op_ui32_t ui32;
@ -722,6 +726,8 @@ static int ptql_branch_parse(char *query, ptql_parse_branch_t *branch)
return SIGAR_PTQL_MALFORMED_QUERY;
}
branch->op_flags = 0;
*ptr = '\0';
branch->value = ++ptr;
@ -744,6 +750,20 @@ static int ptql_branch_parse(char *query, ptql_parse_branch_t *branch)
}
if (*query) {
char flag;
while (isupper((flag = *query))) {
switch (flag) {
case 'P':
branch->op_flags |= PTQL_OP_FLAG_PARENT;
break;
default:
return SIGAR_PTQL_MALFORMED_QUERY;
}
++query;
}
branch->op = query;
}
else {
@ -763,6 +783,7 @@ static int ptql_branch_add(ptql_parse_branch_t *parsed,
branch->data = NULL;
branch->data_size = 0;
branch->op_flags = parsed->op_flags;
op = ptql_op_code_get(parsed->op);
if (op == PTQL_OP_MAX) {
@ -916,15 +937,27 @@ SIGAR_DECLARE(int) sigar_ptql_query_destroy(sigar_t *sigar,
SIGAR_DECLARE(int) sigar_ptql_query_match(sigar_t *sigar,
sigar_ptql_query_t *query,
sigar_pid_t pid)
sigar_pid_t query_pid)
{
int i;
for (i=0; i<query->branches.number; i++) {
sigar_pid_t pid = query_pid;
int status, matched=0;
ptql_branch_t *branch = &query->branches.data[i];
ptql_lookup_t *lookup = branch->lookup;
if (branch->op_flags & PTQL_OP_FLAG_PARENT) {
sigar_proc_state_t state;
status = sigar_proc_state_get(sigar, pid, &state);
if (status != SIGAR_OK) {
return status;
}
pid = state.ppid;
}
if (lookup->type == PTQL_VALUE_TYPE_ANY) {
/* Args, Env, etc. */
status = lookup->get(sigar, pid, branch);