Make intr optional for adb commands
All adb commands are executed with an "interruptor", so that they can be interrupted on Ctrl+C. Make this interruptor optional, so that we could call "adb kill-server" in OTG mode. This command always returns almost immediately anyway. Ideally, we should make all blocking calls interruptible (including libusb calls, by using the asynchronous API), but it's a lot of work, and in practice it works well enough. PR #3011 <https://github.com/Genymobile/scrcpy/pull/3011>
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2 changed files with 14 additions and 6 deletions
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@ -150,7 +150,7 @@ process_check_success_internal(sc_pid pid, const char *name, bool close,
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static bool
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static bool
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process_check_success_intr(struct sc_intr *intr, sc_pid pid, const char *name,
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process_check_success_intr(struct sc_intr *intr, sc_pid pid, const char *name,
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unsigned flags) {
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unsigned flags) {
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if (!sc_intr_set_process(intr, pid)) {
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if (intr && !sc_intr_set_process(intr, pid)) {
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// Already interrupted
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// Already interrupted
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return false;
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return false;
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}
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}
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@ -158,7 +158,9 @@ process_check_success_intr(struct sc_intr *intr, sc_pid pid, const char *name,
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// Always pass close=false, interrupting would be racy otherwise
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// Always pass close=false, interrupting would be racy otherwise
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bool ret = process_check_success_internal(pid, name, false, flags);
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bool ret = process_check_success_internal(pid, name, false, flags);
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sc_intr_set_process(intr, SC_PROCESS_NONE);
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if (intr) {
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sc_intr_set_process(intr, SC_PROCESS_NONE);
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}
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// Close separately
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// Close separately
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sc_process_close(pid);
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sc_process_close(pid);
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@ -3,27 +3,33 @@
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ssize_t
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ssize_t
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sc_pipe_read_intr(struct sc_intr *intr, sc_pid pid, sc_pipe pipe, char *data,
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sc_pipe_read_intr(struct sc_intr *intr, sc_pid pid, sc_pipe pipe, char *data,
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size_t len) {
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size_t len) {
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if (!sc_intr_set_process(intr, pid)) {
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if (intr && !sc_intr_set_process(intr, pid)) {
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// Already interrupted
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// Already interrupted
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return false;
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return false;
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}
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}
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ssize_t ret = sc_pipe_read(pipe, data, len);
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ssize_t ret = sc_pipe_read(pipe, data, len);
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sc_intr_set_process(intr, SC_PROCESS_NONE);
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if (intr) {
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sc_intr_set_process(intr, SC_PROCESS_NONE);
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}
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return ret;
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return ret;
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}
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}
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ssize_t
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ssize_t
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sc_pipe_read_all_intr(struct sc_intr *intr, sc_pid pid, sc_pipe pipe,
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sc_pipe_read_all_intr(struct sc_intr *intr, sc_pid pid, sc_pipe pipe,
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char *data, size_t len) {
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char *data, size_t len) {
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if (!sc_intr_set_process(intr, pid)) {
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if (intr && !sc_intr_set_process(intr, pid)) {
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// Already interrupted
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// Already interrupted
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return false;
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return false;
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}
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}
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ssize_t ret = sc_pipe_read_all(pipe, data, len);
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ssize_t ret = sc_pipe_read_all(pipe, data, len);
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sc_intr_set_process(intr, SC_PROCESS_NONE);
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if (intr) {
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sc_intr_set_process(intr, SC_PROCESS_NONE);
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}
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return ret;
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return ret;
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}
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}
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