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Fix KPM control code logic, adjust prctl call parameters to handle return values correctly

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ShirkNeko
2025-03-29 16:57:14 +08:00
parent 03c97d2720
commit c2395d48f2
1 changed files with 9 additions and 7 deletions
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16
userspace/kpmmgr/jni/kpmmgr.c
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@@ -20,7 +20,7 @@
#define SUKISU_KPM_CONTROL 6
#define SUKISU_KPM_PRINT 7
#define CONTROL_CODE(n) (CMD_KPM_CONTROL + n)
#define CONTROL_CODE(n) (CMD_KPM_CONTROL + n - 1)
void print_usage(const char *prog) {
printf("Usage: %s <command> [args]\n", prog);
@@ -41,17 +41,19 @@ int main(int argc, char *argv[]) {
}
int ret = -1;
int out = 0; // 存储返回值
int out = -1; // 存储返回值
if (strcmp(argv[1], "load") == 0 && argc >= 3) {
// 加载 KPM 模块
ret = prctl(KSU_OPTIONS, CONTROL_CODE(SUKISU_KPM_LOAD), argv[2], (argc > 3 ? argv[3] : NULL), &out);
} else if (strcmp(argv[1], "unload") == 0 && argc >= 3) {
// 卸载 KPM 模块
ret = prctl(KSU_OPTIONS, CONTROL_CODE(SUKISU_KPM_UNLOAD), argv[2], &out);
ret = prctl(KSU_OPTIONS, CONTROL_CODE(SUKISU_KPM_UNLOAD), argv[2], NULL, &out);
} else if (strcmp(argv[1], "num") == 0) {
// 获取加载的 KPM 数量
ret = prctl(KSU_OPTIONS, CONTROL_CODE(SUKISU_KPM_NUM), &out);
ret = prctl(KSU_OPTIONS, CONTROL_CODE(SUKISU_KPM_NUM), NULL, NULL, &out);
printf("%d", out);
return 0;
} else if (strcmp(argv[1], "list") == 0) {
// 获取模块列表
char buffer[1024] = {0};
@@ -71,14 +73,14 @@ int main(int argc, char *argv[]) {
ret = prctl(KSU_OPTIONS, CONTROL_CODE(SUKISU_KPM_CONTROL), argv[2], argv[3], &out);
} else if (strcmp(argv[1], "print") == 0) {
// 在 stdout 输出 KPM 列表
ret = prctl(KSU_OPTIONS, CONTROL_CODE(SUKISU_KPM_PRINT), &out);
ret = prctl(KSU_OPTIONS, CONTROL_CODE(SUKISU_KPM_PRINT), NULL, NULL, &out);
} else {
print_usage(argv[0]);
return 1;
}
if (ret < 0) {
printf("Error: %s\n", strerror(errno));
if (out < 0) {
printf("Error: %s\n", strerror(-out));
return -1;
}