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Diffstat (limited to 'source/Host/posix/ProcessLauncherPosixFork.cpp')
-rw-r--r--source/Host/posix/ProcessLauncherPosixFork.cpp54
1 files changed, 21 insertions, 33 deletions
diff --git a/source/Host/posix/ProcessLauncherPosixFork.cpp b/source/Host/posix/ProcessLauncherPosixFork.cpp
index ac1d9011c2b7..46ce3e3d224f 100644
--- a/source/Host/posix/ProcessLauncherPosixFork.cpp
+++ b/source/Host/posix/ProcessLauncherPosixFork.cpp
@@ -38,17 +38,12 @@
using namespace lldb;
using namespace lldb_private;
-static void FixupEnvironment(Args &env) {
+static void FixupEnvironment(Environment &env) {
#ifdef __ANDROID__
// If there is no PATH variable specified inside the environment then set the
// path to /system/bin. It is required because the default path used by
// execve() is wrong on android.
- static const char *path = "PATH=";
- for (auto &entry : env.entries()) {
- if (entry.ref.startswith(path))
- return;
- }
- env.AppendArgument(llvm::StringRef("PATH=/system/bin"));
+ env.try_emplace("PATH", "/system/bin");
#endif
}
@@ -95,10 +90,6 @@ static void DupDescriptor(int error_fd, const FileSpec &file_spec, int fd,
static void LLVM_ATTRIBUTE_NORETURN ChildFunc(int error_fd,
const ProcessLaunchInfo &info) {
- // Do not inherit setgid powers.
- if (setgid(getgid()) != 0)
- ExitWithError(error_fd, "setgid");
-
if (info.GetFlags().Test(eLaunchFlagLaunchInSeparateProcessGroup)) {
if (setpgid(0, 0) != 0)
ExitWithError(error_fd, "setpgid");
@@ -132,23 +123,26 @@ static void LLVM_ATTRIBUTE_NORETURN ChildFunc(int error_fd,
ExitWithError(error_fd, "chdir");
DisableASLRIfRequested(error_fd, info);
- Args env = info.GetEnvironmentEntries();
+ Environment env = info.GetEnvironment();
FixupEnvironment(env);
- const char **envp = env.GetConstArgumentVector();
+ Environment::Envp envp = env.getEnvp();
- // Clear the signal mask to prevent the child from being affected by
- // any masking done by the parent.
+ // Clear the signal mask to prevent the child from being affected by any
+ // masking done by the parent.
sigset_t set;
if (sigemptyset(&set) != 0 ||
pthread_sigmask(SIG_SETMASK, &set, nullptr) != 0)
ExitWithError(error_fd, "pthread_sigmask");
if (info.GetFlags().Test(eLaunchFlagDebug)) {
+ // Do not inherit setgid powers.
+ if (setgid(getgid()) != 0)
+ ExitWithError(error_fd, "setgid");
+
// HACK:
// Close everything besides stdin, stdout, and stderr that has no file
// action to avoid leaking. Only do this when debugging, as elsewhere we
- // actually rely on
- // passing open descriptors to child processes.
+ // actually rely on passing open descriptors to child processes.
for (int fd = 3; fd < sysconf(_SC_OPEN_MAX); ++fd)
if (!info.GetFileActionForFD(fd) && fd != error_fd)
close(fd);
@@ -159,26 +153,20 @@ static void LLVM_ATTRIBUTE_NORETURN ChildFunc(int error_fd,
}
// Execute. We should never return...
- execve(argv[0], const_cast<char *const *>(argv),
- const_cast<char *const *>(envp));
+ execve(argv[0], const_cast<char *const *>(argv), envp);
#if defined(__linux__)
if (errno == ETXTBSY) {
- // On android M and earlier we can get this error because the adb deamon can
- // hold a write
- // handle on the executable even after it has finished uploading it. This
- // state lasts
- // only a short time and happens only when there are many concurrent adb
- // commands being
- // issued, such as when running the test suite. (The file remains open when
- // someone does
- // an "adb shell" command in the fork() child before it has had a chance to
- // exec.) Since
- // this state should clear up quickly, wait a while and then give it one
- // more go.
+ // On android M and earlier we can get this error because the adb deamon
+ // can hold a write handle on the executable even after it has finished
+ // uploading it. This state lasts only a short time and happens only when
+ // there are many concurrent adb commands being issued, such as when
+ // running the test suite. (The file remains open when someone does an "adb
+ // shell" command in the fork() child before it has had a chance to exec.)
+ // Since this state should clear up quickly, wait a while and then give it
+ // one more go.
usleep(50000);
- execve(argv[0], const_cast<char *const *>(argv),
- const_cast<char *const *>(envp));
+ execve(argv[0], const_cast<char *const *>(argv), envp);
}
#endif