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Commit 4f5625d9 authored by Vic Yang's avatar Vic Yang Committed by Gerrit Code Review
Browse files

Merge "libvndksupport: Add android_is_in_vendor_process()"

parents 941cb760 a117f25b

libvndksupport/include/vndksupport/linker.h

+10 −0
Original line number Diff line number Diff line
@@ -20,6 +20,16 @@ 
extern "C" {

#endif



/*

 * Returns whether the current process is a vendor process.

 *

 * Note that this is only checking what process is running and has nothing to

 * do with what namespace the caller is loaded at.  For example, a VNDK-SP

 * library loaded by SP-HAL calling this function may still get a 'false',

 * because it is running in a system process.

 */

int android_is_in_vendor_process();



void* android_load_sphal_library(const char* name, int flag);



int android_unload_sphal_library(void* handle);

libvndksupport/libvndksupport.map.txt

+1 −0
Original line number Diff line number Diff line 
LIBVNDKSUPPORT {

  global:

    android_is_in_vendor_process; # vndk apex

    android_load_sphal_library; # vndk apex

    android_unload_sphal_library; # vndk apex

  local:

libvndksupport/linker.c

+11 −0
Original line number Diff line number Diff line
@@ -45,6 +45,17 @@ static struct android_namespace_t* get_vendor_namespace() { 
    return vendor_namespace;

}



int android_is_in_vendor_process() {

    if (android_get_exported_namespace == NULL) {

        ALOGD("android_get_exported_namespace() not available. Assuming system process.");

        return 0;

    }



    // In vendor process, 'vndk' namespace is not visible, whereas in system

    // process, it is.

    return android_get_exported_namespace("vndk") == NULL;

}



void* android_load_sphal_library(const char* name, int flag) {

    struct android_namespace_t* vendor_namespace = get_vendor_namespace();

    if (vendor_namespace != NULL) {