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Refactor Zygisk loading

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Co-authored-by: topjohnwu <topjohnwu@gmail.com>
This commit is contained in:
LoveSy
2022-02-06 16:27:31 +08:00
committed by GitHub
parent d2c2456fbe
commit ff7ac582f0
6 changed files with 127 additions and 94 deletions
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13
native/jni/utils/missing.hpp
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@@ -1,7 +1,10 @@
#pragma once
#include <sys/syscall.h>
#include <linux/fcntl.h>
#include <unistd.h>
#include <cerrno>
#include <cstdio>
static inline int sigtimedwait(const sigset_t* set, siginfo_t* info, const timespec* timeout) {
union {
@@ -11,3 +14,13 @@ static inline int sigtimedwait(const sigset_t* set, siginfo_t* info, const times
s.set = *set;
return syscall(__NR_rt_sigtimedwait, &s.set64, info, timeout, sizeof(sigset64_t));
}
static inline int fexecve(int fd, char* const* argv, char* const* envp) {
syscall(__NR_execveat, fd, "", argv, envp, AT_EMPTY_PATH);
if (errno == ENOSYS) {
char buf[256];
std::snprintf(buf, sizeof(buf), "/proc/self/fd/%d", fd);
execve(buf, argv, envp);
}
return -1;
}