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IO: support populate fds into WASM application (#655)

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Add new API wasm_runtime_set_wasi_args_ex to support populate stdio fds

Signed-off-by: LiFeng <lifeng68@huawei.com>
This commit is contained in:
LiFeng
2021-06-22 14:41:49 +08:00
committed by GitHub
parent 38c2ca63d0
commit c6783ef258
8 changed files with 90 additions and 20 deletions
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24
product-mini/platforms/linux-sgx/enclave-sample/Enclave/Enclave.cpp
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@ -311,13 +311,16 @@ handle_cmd_set_wasi_args(uint64 *args, int32 argc)
uint32 dir_list_size = *(uint32 *)args++;
char **env_list = *(char ***)args++;
uint32 env_list_size = *(uint32 *)args++;
int stdinfd = *(int *)args++;
int stdoutfd = *(int *)args++;
int stderrfd = *(int *)args++;
char **wasi_argv = *(char ***)args++;
char *p, *p1;
uint32 wasi_argc = *(uint32 *)args++;
uint64 total_size = 0;
int32 i, str_len;
bh_assert(argc == 7);
bh_assert(argc == 10);
total_size += sizeof(char *) * (uint64)dir_list_size
+ sizeof(char *) * (uint64)env_list_size
@ -382,14 +385,17 @@ handle_cmd_set_wasi_args(uint64 *args, int32 argc)
p += sizeof(char *) * wasi_argc;
}
wasm_runtime_set_wasi_args(enclave_module->module,
(const char **)enclave_module->wasi_dir_list,
dir_list_size,
NULL, 0,
(const char **)enclave_module->wasi_env_list,
env_list_size,
enclave_module->wasi_argv,
enclave_module->wasi_argc);
wasm_runtime_set_wasi_args_ex(enclave_module->module,
(const char **)enclave_module->wasi_dir_list,
dir_list_size,
NULL, 0,
(const char **)enclave_module->wasi_env_list,
env_list_size,
enclave_module->wasi_argv,
enclave_module->wasi_argc,
(stdinfd != -1) ? stdinfd : 0,
(stdoutfd != -1) ? stdoutfd : 1,
(stderrfd != -1) ? stderrfd : 2);
*args_org = true;
}